Home / 3,123,031.20-4,308,121.26-1,899,710.88

Finding the Fourth Proportional to 3,123,031.20, 4,308,121.26 and 1,899,710.88

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Solution

The fourth proportional to 3,123,031.20, 4,308,121.26 and 1,899,710.88 is: 2,620,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,031.20 : 4,308,121.26 = 1,899,710.88 : x
  2. Step 2: Convert to fraction form
    3,123,031.20/4,308,121.26 = 1,899,710.88/x
  3. Step 3: Cross multiply
    3,123,031.20x = 4,308,121.26 × 1,899,710.88
  4. Step 4: Simplify right side
    3,123,031.20x = 8,184,184,829,981.31
  5. Step 5: Solve for x
    x = 8,184,184,829,981.31/3,123,031.20
  6. Step 6: Final answer
    x = 2,620,590.16

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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.