Home / 2,520,809.20-3,781,213.80-837,912.70

Finding the Fourth Proportional to 2,520,809.20, 3,781,213.80 and 837,912.70

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Solution

The fourth proportional to 2,520,809.20, 3,781,213.80 and 837,912.70 is: 1,256,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,809.20 : 3,781,213.80 = 837,912.70 : x
  2. Step 2: Convert to fraction form
    2,520,809.20/3,781,213.80 = 837,912.70/x
  3. Step 3: Cross multiply
    2,520,809.20x = 3,781,213.80 × 837,912.70
  4. Step 4: Simplify right side
    2,520,809.20x = 3,168,327,064,435.26
  5. Step 5: Solve for x
    x = 3,168,327,064,435.26/2,520,809.20
  6. Step 6: Final answer
    x = 1,256,869.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.