Home / 2,484,026.72-3,428,319.84-1,396,387.76

Finding the Fourth Proportional to 2,484,026.72, 3,428,319.84 and 1,396,387.76

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Solution

The fourth proportional to 2,484,026.72, 3,428,319.84 and 1,396,387.76 is: 1,927,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484,026.72 : 3,428,319.84 = 1,396,387.76 : x
  2. Step 2: Convert to fraction form
    2,484,026.72/3,428,319.84 = 1,396,387.76/x
  3. Step 3: Cross multiply
    2,484,026.72x = 3,428,319.84 × 1,396,387.76
  4. Step 4: Simplify right side
    2,484,026.72x = 4,787,263,861,941.16
  5. Step 5: Solve for x
    x = 4,787,263,861,941.16/2,484,026.72
  6. Step 6: Final answer
    x = 1,927,219.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.