Home / 1,406,421.90-2,108,304.15-1,277,547.46

Finding the Fourth Proportional to 1,406,421.90, 2,108,304.15 and 1,277,547.46

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Solution

The fourth proportional to 1,406,421.90, 2,108,304.15 and 1,277,547.46 is: 1,915,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,421.90 : 2,108,304.15 = 1,277,547.46 : x
  2. Step 2: Convert to fraction form
    1,406,421.90/2,108,304.15 = 1,277,547.46/x
  3. Step 3: Cross multiply
    1,406,421.90x = 2,108,304.15 × 1,277,547.46
  4. Step 4: Simplify right side
    1,406,421.90x = 2,693,458,601,678.40
  5. Step 5: Solve for x
    x = 2,693,458,601,678.40/1,406,421.90
  6. Step 6: Final answer
    x = 1,915,114.24

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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.