Home / 6,436,602.12-9,653,841.96-2,118,708.72

Finding the Fourth Proportional to 6,436,602.12, 9,653,841.96 and 2,118,708.72

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Solution

The fourth proportional to 6,436,602.12, 9,653,841.96 and 2,118,708.72 is: 3,177,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436,602.12 : 9,653,841.96 = 2,118,708.72 : x
  2. Step 2: Convert to fraction form
    6,436,602.12/9,653,841.96 = 2,118,708.72/x
  3. Step 3: Cross multiply
    6,436,602.12x = 9,653,841.96 × 2,118,708.72
  4. Step 4: Simplify right side
    6,436,602.12x = 20,453,679,142,153.89
  5. Step 5: Solve for x
    x = 20,453,679,142,153.89/6,436,602.12
  6. Step 6: Final answer
    x = 3,177,713.76

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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.