Home / 5,134,434.98-7,085,238.45-2,810,877.62

Finding the Fourth Proportional to 5,134,434.98, 7,085,238.45 and 2,810,877.62

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Solution

The fourth proportional to 5,134,434.98, 7,085,238.45 and 2,810,877.62 is: 3,878,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,434.98 : 7,085,238.45 = 2,810,877.62 : x
  2. Step 2: Convert to fraction form
    5,134,434.98/7,085,238.45 = 2,810,877.62/x
  3. Step 3: Cross multiply
    5,134,434.98x = 7,085,238.45 × 2,810,877.62
  4. Step 4: Simplify right side
    5,134,434.98x = 19,915,738,191,468.49
  5. Step 5: Solve for x
    x = 19,915,738,191,468.49/5,134,434.98
  6. Step 6: Final answer
    x = 3,878,856.83

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Double scale
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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.