Home / 2,176,143.42-3,002,200.56-1,315,209

Finding the Fourth Proportional to 2,176,143.42, 3,002,200.56 and 1,315,209

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Solution

The fourth proportional to 2,176,143.42, 3,002,200.56 and 1,315,209 is: 1,814,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,143.42 : 3,002,200.56 = 1,315,209 : x
  2. Step 2: Convert to fraction form
    2,176,143.42/3,002,200.56 = 1,315,209/x
  3. Step 3: Cross multiply
    2,176,143.42x = 3,002,200.56 × 1,315,209
  4. Step 4: Simplify right side
    2,176,143.42x = 3,948,521,196,317.04
  5. Step 5: Solve for x
    x = 3,948,521,196,317.04/2,176,143.42
  6. Step 6: Final answer
    x = 1,814,458.16

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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.