Home / 1,912,615.74-2,639,520.27-1,096,812.90

Finding the Fourth Proportional to 1,912,615.74, 2,639,520.27 and 1,096,812.90

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Solution

The fourth proportional to 1,912,615.74, 2,639,520.27 and 1,096,812.90 is: 1,513,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,615.74 : 2,639,520.27 = 1,096,812.90 : x
  2. Step 2: Convert to fraction form
    1,912,615.74/2,639,520.27 = 1,096,812.90/x
  3. Step 3: Cross multiply
    1,912,615.74x = 2,639,520.27 × 1,096,812.90
  4. Step 4: Simplify right side
    1,912,615.74x = 2,895,059,881,947.48
  5. Step 5: Solve for x
    x = 2,895,059,881,947.48/1,912,615.74
  6. Step 6: Final answer
    x = 1,513,665.20

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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.