Home / 1,752,654.20-2,630,018.10-1,278,145.40

Finding the Fourth Proportional to 1,752,654.20, 2,630,018.10 and 1,278,145.40

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Solution

The fourth proportional to 1,752,654.20, 2,630,018.10 and 1,278,145.40 is: 1,917,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,654.20 : 2,630,018.10 = 1,278,145.40 : x
  2. Step 2: Convert to fraction form
    1,752,654.20/2,630,018.10 = 1,278,145.40/x
  3. Step 3: Cross multiply
    1,752,654.20x = 2,630,018.10 × 1,278,145.40
  4. Step 4: Simplify right side
    1,752,654.20x = 3,361,545,536,431.74
  5. Step 5: Solve for x
    x = 3,361,545,536,431.74/1,752,654.20
  6. Step 6: Final answer
    x = 1,917,974.20

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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.