Home / 3,119,922-4,679,291.16-1,520,876.88

Finding the Fourth Proportional to 3,119,922, 4,679,291.16 and 1,520,876.88

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Solution

The fourth proportional to 3,119,922, 4,679,291.16 and 1,520,876.88 is: 2,281,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,922 : 4,679,291.16 = 1,520,876.88 : x
  2. Step 2: Convert to fraction form
    3,119,922/4,679,291.16 = 1,520,876.88/x
  3. Step 3: Cross multiply
    3,119,922x = 4,679,291.16 × 1,520,876.88
  4. Step 4: Simplify right side
    3,119,922x = 7,116,625,740,032.38
  5. Step 5: Solve for x
    x = 7,116,625,740,032.38/3,119,922
  6. Step 6: Final answer
    x = 2,281,026.81

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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.