Home / 4,920,755.10-7,381,132.65-3,131,570.40

Finding the Fourth Proportional to 4,920,755.10, 7,381,132.65 and 3,131,570.40

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Solution

The fourth proportional to 4,920,755.10, 7,381,132.65 and 3,131,570.40 is: 4,697,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,755.10 : 7,381,132.65 = 3,131,570.40 : x
  2. Step 2: Convert to fraction form
    4,920,755.10/7,381,132.65 = 3,131,570.40/x
  3. Step 3: Cross multiply
    4,920,755.10x = 7,381,132.65 × 3,131,570.40
  4. Step 4: Simplify right side
    4,920,755.10x = 23,114,536,525,213.56
  5. Step 5: Solve for x
    x = 23,114,536,525,213.56/4,920,755.10
  6. Step 6: Final answer
    x = 4,697,355.60

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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.