Home / 2,020,688.52-2,788,550.20-1,377,232.80

Finding the Fourth Proportional to 2,020,688.52, 2,788,550.20 and 1,377,232.80

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Solution

The fourth proportional to 2,020,688.52, 2,788,550.20 and 1,377,232.80 is: 1,900,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,688.52 : 2,788,550.20 = 1,377,232.80 : x
  2. Step 2: Convert to fraction form
    2,020,688.52/2,788,550.20 = 1,377,232.80/x
  3. Step 3: Cross multiply
    2,020,688.52x = 2,788,550.20 × 1,377,232.80
  4. Step 4: Simplify right side
    2,020,688.52x = 3,840,482,799,886.56
  5. Step 5: Solve for x
    x = 3,840,482,799,886.56/2,020,688.52
  6. Step 6: Final answer
    x = 1,900,581.29

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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.