Home / 3,186,279.60-4,778,755.20-1,165,475.40

Finding the Fourth Proportional to 3,186,279.60, 4,778,755.20 and 1,165,475.40

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Solution

The fourth proportional to 3,186,279.60, 4,778,755.20 and 1,165,475.40 is: 1,747,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,279.60 : 4,778,755.20 = 1,165,475.40 : x
  2. Step 2: Convert to fraction form
    3,186,279.60/4,778,755.20 = 1,165,475.40/x
  3. Step 3: Cross multiply
    3,186,279.60x = 4,778,755.20 × 1,165,475.40
  4. Step 4: Simplify right side
    3,186,279.60x = 5,569,521,628,222.08
  5. Step 5: Solve for x
    x = 5,569,521,628,222.08/3,186,279.60
  6. Step 6: Final answer
    x = 1,747,970.15

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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.