Home / 1,587,444.14-2,190,712.42-862,291.64

Finding the Fourth Proportional to 1,587,444.14, 2,190,712.42 and 862,291.64

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Solution

The fourth proportional to 1,587,444.14, 2,190,712.42 and 862,291.64 is: 1,189,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,444.14 : 2,190,712.42 = 862,291.64 : x
  2. Step 2: Convert to fraction form
    1,587,444.14/2,190,712.42 = 862,291.64/x
  3. Step 3: Cross multiply
    1,587,444.14x = 2,190,712.42 × 862,291.64
  4. Step 4: Simplify right side
    1,587,444.14x = 1,889,033,005,410.17
  5. Step 5: Solve for x
    x = 1,889,033,005,410.17/1,587,444.14
  6. Step 6: Final answer
    x = 1,189,983.92

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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.