Home / 6,420,769.86-8,860,427.13-3,520,097.22

Finding the Fourth Proportional to 6,420,769.86, 8,860,427.13 and 3,520,097.22

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Solution

The fourth proportional to 6,420,769.86, 8,860,427.13 and 3,520,097.22 is: 4,857,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,769.86 : 8,860,427.13 = 3,520,097.22 : x
  2. Step 2: Convert to fraction form
    6,420,769.86/8,860,427.13 = 3,520,097.22/x
  3. Step 3: Cross multiply
    6,420,769.86x = 8,860,427.13 × 3,520,097.22
  4. Step 4: Simplify right side
    6,420,769.86x = 31,189,564,908,325.58
  5. Step 5: Solve for x
    x = 31,189,564,908,325.58/6,420,769.86
  6. Step 6: Final answer
    x = 4,857,605.18

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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.