Home / 4,260,426.66-6,388,275.60-1,418,988.78

Finding the Fourth Proportional to 4,260,426.66, 6,388,275.60 and 1,418,988.78

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Solution

The fourth proportional to 4,260,426.66, 6,388,275.60 and 1,418,988.78 is: 2,127,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260,426.66 : 6,388,275.60 = 1,418,988.78 : x
  2. Step 2: Convert to fraction form
    4,260,426.66/6,388,275.60 = 1,418,988.78/x
  3. Step 3: Cross multiply
    4,260,426.66x = 6,388,275.60 × 1,418,988.78
  4. Step 4: Simplify right side
    4,260,426.66x = 9,064,891,399,947.77
  5. Step 5: Solve for x
    x = 9,064,891,399,947.77/4,260,426.66
  6. Step 6: Final answer
    x = 2,127,695.68

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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.