Home / 3,168,368.70-4,752,553.05-2,820,003.90

Finding the Fourth Proportional to 3,168,368.70, 4,752,553.05 and 2,820,003.90

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Solution

The fourth proportional to 3,168,368.70, 4,752,553.05 and 2,820,003.90 is: 4,230,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,368.70 : 4,752,553.05 = 2,820,003.90 : x
  2. Step 2: Convert to fraction form
    3,168,368.70/4,752,553.05 = 2,820,003.90/x
  3. Step 3: Cross multiply
    3,168,368.70x = 4,752,553.05 × 2,820,003.90
  4. Step 4: Simplify right side
    3,168,368.70x = 13,402,218,135,956.89
  5. Step 5: Solve for x
    x = 13,402,218,135,956.89/3,168,368.70
  6. Step 6: Final answer
    x = 4,230,005.85

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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.