Home / 1,587,418.08-2,190,573.90-862,251

Finding the Fourth Proportional to 1,587,418.08, 2,190,573.90 and 862,251

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Solution

The fourth proportional to 1,587,418.08, 2,190,573.90 and 862,251 is: 1,189,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,418.08 : 2,190,573.90 = 862,251 : x
  2. Step 2: Convert to fraction form
    1,587,418.08/2,190,573.90 = 862,251/x
  3. Step 3: Cross multiply
    1,587,418.08x = 2,190,573.90 × 862,251
  4. Step 4: Simplify right side
    1,587,418.08x = 1,888,824,535,848.90
  5. Step 5: Solve for x
    x = 1,888,824,535,848.90/1,587,418.08
  6. Step 6: Final answer
    x = 1,189,872.13

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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.