Home / 1,870,001.10-2,805,001.65-1,639,053.90

Finding the Fourth Proportional to 1,870,001.10, 2,805,001.65 and 1,639,053.90

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Solution

The fourth proportional to 1,870,001.10, 2,805,001.65 and 1,639,053.90 is: 2,458,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,001.10 : 2,805,001.65 = 1,639,053.90 : x
  2. Step 2: Convert to fraction form
    1,870,001.10/2,805,001.65 = 1,639,053.90/x
  3. Step 3: Cross multiply
    1,870,001.10x = 2,805,001.65 × 1,639,053.90
  4. Step 4: Simplify right side
    1,870,001.10x = 4,597,548,893,938.93
  5. Step 5: Solve for x
    x = 4,597,548,893,938.93/1,870,001.10
  6. Step 6: Final answer
    x = 2,458,580.85

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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.