Home / 1,665,031.40-2,497,547.10-1,245,127.40

Finding the Fourth Proportional to 1,665,031.40, 2,497,547.10 and 1,245,127.40

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Solution

The fourth proportional to 1,665,031.40, 2,497,547.10 and 1,245,127.40 is: 1,867,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,031.40 : 2,497,547.10 = 1,245,127.40 : x
  2. Step 2: Convert to fraction form
    1,665,031.40/2,497,547.10 = 1,245,127.40/x
  3. Step 3: Cross multiply
    1,665,031.40x = 2,497,547.10 × 1,245,127.40
  4. Step 4: Simplify right side
    1,665,031.40x = 3,109,764,327,000.54
  5. Step 5: Solve for x
    x = 3,109,764,327,000.54/1,665,031.40
  6. Step 6: Final answer
    x = 1,867,691.10

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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.