Home / 2,768,279.30-4,153,002.15-1,170,019.70

Finding the Fourth Proportional to 2,768,279.30, 4,153,002.15 and 1,170,019.70

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Solution

The fourth proportional to 2,768,279.30, 4,153,002.15 and 1,170,019.70 is: 1,755,276.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,279.30 : 4,153,002.15 = 1,170,019.70 : x
  2. Step 2: Convert to fraction form
    2,768,279.30/4,153,002.15 = 1,170,019.70/x
  3. Step 3: Cross multiply
    2,768,279.30x = 4,153,002.15 × 1,170,019.70
  4. Step 4: Simplify right side
    2,768,279.30x = 4,859,094,329,642.35
  5. Step 5: Solve for x
    x = 4,859,094,329,642.35/2,768,279.30
  6. Step 6: Final answer
    x = 1,755,276.04

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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.