Home / 5,258,047.20-7,887,070.80-2,990,565.60

Finding the Fourth Proportional to 5,258,047.20, 7,887,070.80 and 2,990,565.60

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Solution

The fourth proportional to 5,258,047.20, 7,887,070.80 and 2,990,565.60 is: 4,485,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258,047.20 : 7,887,070.80 = 2,990,565.60 : x
  2. Step 2: Convert to fraction form
    5,258,047.20/7,887,070.80 = 2,990,565.60/x
  3. Step 3: Cross multiply
    5,258,047.20x = 7,887,070.80 × 2,990,565.60
  4. Step 4: Simplify right side
    5,258,047.20x = 23,586,802,619,244.48
  5. Step 5: Solve for x
    x = 23,586,802,619,244.48/5,258,047.20
  6. Step 6: Final answer
    x = 4,485,848.40

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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.