Home / 1,940,530.60-2,908,031.10-1,431,116.20

Finding the Fourth Proportional to 1,940,530.60, 2,908,031.10 and 1,431,116.20

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Solution

The fourth proportional to 1,940,530.60, 2,908,031.10 and 1,431,116.20 is: 2,144,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,530.60 : 2,908,031.10 = 1,431,116.20 : x
  2. Step 2: Convert to fraction form
    1,940,530.60/2,908,031.10 = 1,431,116.20/x
  3. Step 3: Cross multiply
    1,940,530.60x = 2,908,031.10 × 1,431,116.20
  4. Step 4: Simplify right side
    1,940,530.60x = 4,161,730,417,313.82
  5. Step 5: Solve for x
    x = 4,161,730,417,313.82/1,940,530.60
  6. Step 6: Final answer
    x = 2,144,635.30

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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.