Home / 2,347,179.12-3,239,158.68-1,429,451.28

Finding the Fourth Proportional to 2,347,179.12, 3,239,158.68 and 1,429,451.28

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Solution

The fourth proportional to 2,347,179.12, 3,239,158.68 and 1,429,451.28 is: 1,972,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347,179.12 : 3,239,158.68 = 1,429,451.28 : x
  2. Step 2: Convert to fraction form
    2,347,179.12/3,239,158.68 = 1,429,451.28/x
  3. Step 3: Cross multiply
    2,347,179.12x = 3,239,158.68 × 1,429,451.28
  4. Step 4: Simplify right side
    2,347,179.12x = 4,630,219,521,249.11
  5. Step 5: Solve for x
    x = 4,630,219,521,249.11/2,347,179.12
  6. Step 6: Final answer
    x = 1,972,674.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.