Home / 3,003,721.60-4,506,073.80-981,378.40

Finding the Fourth Proportional to 3,003,721.60, 4,506,073.80 and 981,378.40

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Solution

The fourth proportional to 3,003,721.60, 4,506,073.80 and 981,378.40 is: 1,472,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003,721.60 : 4,506,073.80 = 981,378.40 : x
  2. Step 2: Convert to fraction form
    3,003,721.60/4,506,073.80 = 981,378.40/x
  3. Step 3: Cross multiply
    3,003,721.60x = 4,506,073.80 × 981,378.40
  4. Step 4: Simplify right side
    3,003,721.60x = 4,422,163,496,125.92
  5. Step 5: Solve for x
    x = 4,422,163,496,125.92/3,003,721.60
  6. Step 6: Final answer
    x = 1,472,228.15

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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.