Home / 5,686,345.60-8,517,076.80-3,438,563.20

Finding the Fourth Proportional to 5,686,345.60, 8,517,076.80 and 3,438,563.20

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Solution

The fourth proportional to 5,686,345.60, 8,517,076.80 and 3,438,563.20 is: 5,150,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686,345.60 : 8,517,076.80 = 3,438,563.20 : x
  2. Step 2: Convert to fraction form
    5,686,345.60/8,517,076.80 = 3,438,563.20/x
  3. Step 3: Cross multiply
    5,686,345.60x = 8,517,076.80 × 3,438,563.20
  4. Step 4: Simplify right side
    5,686,345.60x = 29,286,506,856,053.77
  5. Step 5: Solve for x
    x = 29,286,506,856,053.77/5,686,345.60
  6. Step 6: Final answer
    x = 5,150,321.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.