Home / 3,129,877.44-4,319,612.28-1,840,655.52

Finding the Fourth Proportional to 3,129,877.44, 4,319,612.28 and 1,840,655.52

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Solution

The fourth proportional to 3,129,877.44, 4,319,612.28 and 1,840,655.52 is: 2,540,328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,877.44 : 4,319,612.28 = 1,840,655.52 : x
  2. Step 2: Convert to fraction form
    3,129,877.44/4,319,612.28 = 1,840,655.52/x
  3. Step 3: Cross multiply
    3,129,877.44x = 4,319,612.28 × 1,840,655.52
  4. Step 4: Simplify right side
    3,129,877.44x = 7,950,918,187,441.79
  5. Step 5: Solve for x
    x = 7,950,918,187,441.79/3,129,877.44
  6. Step 6: Final answer
    x = 2,540,328.92

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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.