Home / 1,587,532.47-2,190,796.57-862,380.17

Finding the Fourth Proportional to 1,587,532.47, 2,190,796.57 and 862,380.17

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Solution

The fourth proportional to 1,587,532.47, 2,190,796.57 and 862,380.17 is: 1,190,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,532.47 : 2,190,796.57 = 862,380.17 : x
  2. Step 2: Convert to fraction form
    1,587,532.47/2,190,796.57 = 862,380.17/x
  3. Step 3: Cross multiply
    1,587,532.47x = 2,190,796.57 × 862,380.17
  4. Step 4: Simplify right side
    1,587,532.47x = 1,889,299,518,472.02
  5. Step 5: Solve for x
    x = 1,889,299,518,472.02/1,587,532.47
  6. Step 6: Final answer
    x = 1,190,085.59

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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.