Home / 2,160,064.38-2,980,979.34-1,242,294.14

Finding the Fourth Proportional to 2,160,064.38, 2,980,979.34 and 1,242,294.14

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Solution

The fourth proportional to 2,160,064.38, 2,980,979.34 and 1,242,294.14 is: 1,714,417.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,064.38 : 2,980,979.34 = 1,242,294.14 : x
  2. Step 2: Convert to fraction form
    2,160,064.38/2,980,979.34 = 1,242,294.14/x
  3. Step 3: Cross multiply
    2,160,064.38x = 2,980,979.34 × 1,242,294.14
  4. Step 4: Simplify right side
    2,160,064.38x = 3,703,253,165,543.07
  5. Step 5: Solve for x
    x = 3,703,253,165,543.07/2,160,064.38
  6. Step 6: Final answer
    x = 1,714,417.96

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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.