Home / 2,020,666.12-2,788,505.46-1,115,248.20

Finding the Fourth Proportional to 2,020,666.12, 2,788,505.46 and 1,115,248.20

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Solution

The fourth proportional to 2,020,666.12, 2,788,505.46 and 1,115,248.20 is: 1,539,034.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,666.12 : 2,788,505.46 = 1,115,248.20 : x
  2. Step 2: Convert to fraction form
    2,020,666.12/2,788,505.46 = 1,115,248.20/x
  3. Step 3: Cross multiply
    2,020,666.12x = 2,788,505.46 × 1,115,248.20
  4. Step 4: Simplify right side
    2,020,666.12x = 3,109,875,694,955.17
  5. Step 5: Solve for x
    x = 3,109,875,694,955.17/2,020,666.12
  6. Step 6: Final answer
    x = 1,539,034.91

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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.