Home / 1,587,226.02-2,190,378.15-862,085.83

Finding the Fourth Proportional to 1,587,226.02, 2,190,378.15 and 862,085.83

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Solution

The fourth proportional to 1,587,226.02, 2,190,378.15 and 862,085.83 is: 1,189,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,226.02 : 2,190,378.15 = 862,085.83 : x
  2. Step 2: Convert to fraction form
    1,587,226.02/2,190,378.15 = 862,085.83/x
  3. Step 3: Cross multiply
    1,587,226.02x = 2,190,378.15 × 862,085.83
  4. Step 4: Simplify right side
    1,587,226.02x = 1,888,293,965,456.61
  5. Step 5: Solve for x
    x = 1,888,293,965,456.61/1,587,226.02
  6. Step 6: Final answer
    x = 1,189,681.84

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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.