Home / 3,448,327.85-4,758,840.08-1,920,434.97

Finding the Fourth Proportional to 3,448,327.85, 4,758,840.08 and 1,920,434.97

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Solution

The fourth proportional to 3,448,327.85, 4,758,840.08 and 1,920,434.97 is: 2,650,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,327.85 : 4,758,840.08 = 1,920,434.97 : x
  2. Step 2: Convert to fraction form
    3,448,327.85/4,758,840.08 = 1,920,434.97/x
  3. Step 3: Cross multiply
    3,448,327.85x = 4,758,840.08 × 1,920,434.97
  4. Step 4: Simplify right side
    3,448,327.85x = 9,139,042,896,667.42
  5. Step 5: Solve for x
    x = 9,139,042,896,667.42/3,448,327.85
  6. Step 6: Final answer
    x = 2,650,282.49

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.