Home / 1,718,190.30-2,577,285.45-1,438,254.30

Finding the Fourth Proportional to 1,718,190.30, 2,577,285.45 and 1,438,254.30

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Solution

The fourth proportional to 1,718,190.30, 2,577,285.45 and 1,438,254.30 is: 2,157,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,190.30 : 2,577,285.45 = 1,438,254.30 : x
  2. Step 2: Convert to fraction form
    1,718,190.30/2,577,285.45 = 1,438,254.30/x
  3. Step 3: Cross multiply
    1,718,190.30x = 2,577,285.45 × 1,438,254.30
  4. Step 4: Simplify right side
    1,718,190.30x = 3,706,791,880,789.94
  5. Step 5: Solve for x
    x = 3,706,791,880,789.94/1,718,190.30
  6. Step 6: Final answer
    x = 2,157,381.45

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Similar ratio
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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.