Home / 2,020,688.49-2,788,550.10-1,377,232.77

Finding the Fourth Proportional to 2,020,688.49, 2,788,550.10 and 1,377,232.77

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Solution

The fourth proportional to 2,020,688.49, 2,788,550.10 and 1,377,232.77 is: 1,900,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,688.49 : 2,788,550.10 = 1,377,232.77 : x
  2. Step 2: Convert to fraction form
    2,020,688.49/2,788,550.10 = 1,377,232.77/x
  3. Step 3: Cross multiply
    2,020,688.49x = 2,788,550.10 × 1,377,232.77
  4. Step 4: Simplify right side
    2,020,688.49x = 3,840,482,578,506.78
  5. Step 5: Solve for x
    x = 3,840,482,578,506.78/2,020,688.49
  6. Step 6: Final answer
    x = 1,900,581.21

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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.