Home / 6,464,686.66-8,921,264.75-3,711,551.64

Finding the Fourth Proportional to 6,464,686.66, 8,921,264.75 and 3,711,551.64

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Solution

The fourth proportional to 6,464,686.66, 8,921,264.75 and 3,711,551.64 is: 5,121,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464,686.66 : 8,921,264.75 = 3,711,551.64 : x
  2. Step 2: Convert to fraction form
    6,464,686.66/8,921,264.75 = 3,711,551.64/x
  3. Step 3: Cross multiply
    6,464,686.66x = 8,921,264.75 × 3,711,551.64
  4. Step 4: Simplify right side
    6,464,686.66x = 33,111,734,813,736.69
  5. Step 5: Solve for x
    x = 33,111,734,813,736.69/6,464,686.66
  6. Step 6: Final answer
    x = 5,121,939.63

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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.