Home / 6,464,689.66-8,921,268.89-3,711,554.64

Finding the Fourth Proportional to 6,464,689.66, 8,921,268.89 and 3,711,554.64

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Solution

The fourth proportional to 6,464,689.66, 8,921,268.89 and 3,711,554.64 is: 5,121,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464,689.66 : 8,921,268.89 = 3,711,554.64 : x
  2. Step 2: Convert to fraction form
    6,464,689.66/8,921,268.89 = 3,711,554.64/x
  3. Step 3: Cross multiply
    6,464,689.66x = 8,921,268.89 × 3,711,554.64
  4. Step 4: Simplify right side
    6,464,689.66x = 33,111,776,943,367.15
  5. Step 5: Solve for x
    x = 33,111,776,943,367.15/6,464,689.66
  6. Step 6: Final answer
    x = 5,121,943.77

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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.