Home / 6,464,716.52-8,921,305.92-3,711,581.60

Finding the Fourth Proportional to 6,464,716.52, 8,921,305.92 and 3,711,581.60

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Solution

The fourth proportional to 6,464,716.52, 8,921,305.92 and 3,711,581.60 is: 5,121,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464,716.52 : 8,921,305.92 = 3,711,581.60 : x
  2. Step 2: Convert to fraction form
    6,464,716.52/8,921,305.92 = 3,711,581.60/x
  3. Step 3: Cross multiply
    6,464,716.52x = 8,921,305.92 × 3,711,581.60
  4. Step 4: Simplify right side
    6,464,716.52x = 33,112,154,900,643.07
  5. Step 5: Solve for x
    x = 33,112,154,900,643.07/6,464,716.52
  6. Step 6: Final answer
    x = 5,121,980.96

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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.