Home / 3,178,153.40-4,767,230.10-2,916,879.80

Finding the Fourth Proportional to 3,178,153.40, 4,767,230.10 and 2,916,879.80

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Solution

The fourth proportional to 3,178,153.40, 4,767,230.10 and 2,916,879.80 is: 4,375,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,153.40 : 4,767,230.10 = 2,916,879.80 : x
  2. Step 2: Convert to fraction form
    3,178,153.40/4,767,230.10 = 2,916,879.80/x
  3. Step 3: Cross multiply
    3,178,153.40x = 4,767,230.10 × 2,916,879.80
  4. Step 4: Simplify right side
    3,178,153.40x = 13,905,437,180,641.98
  5. Step 5: Solve for x
    x = 13,905,437,180,641.98/3,178,153.40
  6. Step 6: Final answer
    x = 4,375,319.70

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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.