Home / 6,646,689.46-9,971,284.88-4,578,120.98

Finding the Fourth Proportional to 6,646,689.46, 9,971,284.88 and 4,578,120.98

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Solution

The fourth proportional to 6,646,689.46, 9,971,284.88 and 4,578,120.98 is: 6,868,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,689.46 : 9,971,284.88 = 4,578,120.98 : x
  2. Step 2: Convert to fraction form
    6,646,689.46/9,971,284.88 = 4,578,120.98/x
  3. Step 3: Cross multiply
    6,646,689.46x = 9,971,284.88 × 4,578,120.98
  4. Step 4: Simplify right side
    6,646,689.46x = 45,649,748,505,665.98
  5. Step 5: Solve for x
    x = 45,649,748,505,665.98/6,646,689.46
  6. Step 6: Final answer
    x = 6,868,042.92

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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.