Home / 1,406,422.22-2,108,304.62-1,277,547.78

Finding the Fourth Proportional to 1,406,422.22, 2,108,304.62 and 1,277,547.78

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Solution

The fourth proportional to 1,406,422.22, 2,108,304.62 and 1,277,547.78 is: 1,915,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,422.22 : 2,108,304.62 = 1,277,547.78 : x
  2. Step 2: Convert to fraction form
    1,406,422.22/2,108,304.62 = 1,277,547.78/x
  3. Step 3: Cross multiply
    1,406,422.22x = 2,108,304.62 × 1,277,547.78
  4. Step 4: Simplify right side
    1,406,422.22x = 2,693,459,886,844.74
  5. Step 5: Solve for x
    x = 2,693,459,886,844.74/1,406,422.22
  6. Step 6: Final answer
    x = 1,915,114.71

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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.