Home / 4,920,758.10-7,381,137.15-3,131,573.40

Finding the Fourth Proportional to 4,920,758.10, 7,381,137.15 and 3,131,573.40

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Solution

The fourth proportional to 4,920,758.10, 7,381,137.15 and 3,131,573.40 is: 4,697,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,758.10 : 7,381,137.15 = 3,131,573.40 : x
  2. Step 2: Convert to fraction form
    4,920,758.10/7,381,137.15 = 3,131,573.40/x
  3. Step 3: Cross multiply
    4,920,758.10x = 7,381,137.15 × 3,131,573.40
  4. Step 4: Simplify right side
    4,920,758.10x = 23,114,572,760,691.81
  5. Step 5: Solve for x
    x = 23,114,572,760,691.81/4,920,758.10
  6. Step 6: Final answer
    x = 4,697,360.10

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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.