Home / 3,258,603.60-4,887,905.40-2,130,565.20

Finding the Fourth Proportional to 3,258,603.60, 4,887,905.40 and 2,130,565.20

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Solution

The fourth proportional to 3,258,603.60, 4,887,905.40 and 2,130,565.20 is: 3,195,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,603.60 : 4,887,905.40 = 2,130,565.20 : x
  2. Step 2: Convert to fraction form
    3,258,603.60/4,887,905.40 = 2,130,565.20/x
  3. Step 3: Cross multiply
    3,258,603.60x = 4,887,905.40 × 2,130,565.20
  4. Step 4: Simplify right side
    3,258,603.60x = 10,414,001,146,132.08
  5. Step 5: Solve for x
    x = 10,414,001,146,132.08/3,258,603.60
  6. Step 6: Final answer
    x = 3,195,847.80

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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.