Home / 3,012,138.40-4,518,178.80-737,672.80

Finding the Fourth Proportional to 3,012,138.40, 4,518,178.80 and 737,672.80

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Solution

The fourth proportional to 3,012,138.40, 4,518,178.80 and 737,672.80 is: 1,106,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,138.40 : 4,518,178.80 = 737,672.80 : x
  2. Step 2: Convert to fraction form
    3,012,138.40/4,518,178.80 = 737,672.80/x
  3. Step 3: Cross multiply
    3,012,138.40x = 4,518,178.80 × 737,672.80
  4. Step 4: Simplify right side
    3,012,138.40x = 3,332,937,606,296.64
  5. Step 5: Solve for x
    x = 3,332,937,606,296.64/3,012,138.40
  6. Step 6: Final answer
    x = 1,106,502.15

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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.