Home / 3,116,070.60-4,674,105.90-2,780,147.40

Finding the Fourth Proportional to 3,116,070.60, 4,674,105.90 and 2,780,147.40

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Solution

The fourth proportional to 3,116,070.60, 4,674,105.90 and 2,780,147.40 is: 4,170,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,070.60 : 4,674,105.90 = 2,780,147.40 : x
  2. Step 2: Convert to fraction form
    3,116,070.60/4,674,105.90 = 2,780,147.40/x
  3. Step 3: Cross multiply
    3,116,070.60x = 4,674,105.90 × 2,780,147.40
  4. Step 4: Simplify right side
    3,116,070.60x = 12,994,703,365,209.66
  5. Step 5: Solve for x
    x = 12,994,703,365,209.66/3,116,070.60
  6. Step 6: Final answer
    x = 4,170,221.10

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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.