Home / 1,587,957.10-2,191,349.24-862,810

Finding the Fourth Proportional to 1,587,957.10, 2,191,349.24 and 862,810

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Solution

The fourth proportional to 1,587,957.10, 2,191,349.24 and 862,810 is: 1,190,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,957.10 : 2,191,349.24 = 862,810 : x
  2. Step 2: Convert to fraction form
    1,587,957.10/2,191,349.24 = 862,810/x
  3. Step 3: Cross multiply
    1,587,957.10x = 2,191,349.24 × 862,810
  4. Step 4: Simplify right side
    1,587,957.10x = 1,890,718,037,764.40
  5. Step 5: Solve for x
    x = 1,890,718,037,764.40/1,587,957.10
  6. Step 6: Final answer
    x = 1,190,660.65

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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.