Home / 3,119,013.30-4,680,269.55-1,321,590.90

Finding the Fourth Proportional to 3,119,013.30, 4,680,269.55 and 1,321,590.90

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Solution

The fourth proportional to 3,119,013.30, 4,680,269.55 and 1,321,590.90 is: 1,983,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,013.30 : 4,680,269.55 = 1,321,590.90 : x
  2. Step 2: Convert to fraction form
    3,119,013.30/4,680,269.55 = 1,321,590.90/x
  3. Step 3: Cross multiply
    3,119,013.30x = 4,680,269.55 × 1,321,590.90
  4. Step 4: Simplify right side
    3,119,013.30x = 6,185,401,646,827.10
  5. Step 5: Solve for x
    x = 6,185,401,646,827.10/3,119,013.30
  6. Step 6: Final answer
    x = 1,983,127.69

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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.