Home / 1,644,870.20-2,467,305.30-1,246,289.45

Finding the Fourth Proportional to 1,644,870.20, 2,467,305.30 and 1,246,289.45

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Solution

The fourth proportional to 1,644,870.20, 2,467,305.30 and 1,246,289.45 is: 1,869,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,870.20 : 2,467,305.30 = 1,246,289.45 : x
  2. Step 2: Convert to fraction form
    1,644,870.20/2,467,305.30 = 1,246,289.45/x
  3. Step 3: Cross multiply
    1,644,870.20x = 2,467,305.30 × 1,246,289.45
  4. Step 4: Simplify right side
    1,644,870.20x = 3,074,976,565,319.08
  5. Step 5: Solve for x
    x = 3,074,976,565,319.08/1,644,870.20
  6. Step 6: Final answer
    x = 1,869,434.18

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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.