Home / 4,258,644.20-6,389,780.70-2,238,439.40

Finding the Fourth Proportional to 4,258,644.20, 6,389,780.70 and 2,238,439.40

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Solution

The fourth proportional to 4,258,644.20, 6,389,780.70 and 2,238,439.40 is: 3,358,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,644.20 : 6,389,780.70 = 2,238,439.40 : x
  2. Step 2: Convert to fraction form
    4,258,644.20/6,389,780.70 = 2,238,439.40/x
  3. Step 3: Cross multiply
    4,258,644.20x = 6,389,780.70 × 2,238,439.40
  4. Step 4: Simplify right side
    4,258,644.20x = 14,303,136,876,239.58
  5. Step 5: Solve for x
    x = 14,303,136,876,239.58/4,258,644.20
  6. Step 6: Final answer
    x = 3,358,612.79

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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.