Home / 2,439,469.32-3,366,516.40-1,420,939.68

Finding the Fourth Proportional to 2,439,469.32, 3,366,516.40 and 1,420,939.68

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Solution

The fourth proportional to 2,439,469.32, 3,366,516.40 and 1,420,939.68 is: 1,960,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,469.32 : 3,366,516.40 = 1,420,939.68 : x
  2. Step 2: Convert to fraction form
    2,439,469.32/3,366,516.40 = 1,420,939.68/x
  3. Step 3: Cross multiply
    2,439,469.32x = 3,366,516.40 × 1,420,939.68
  4. Step 4: Simplify right side
    2,439,469.32x = 4,783,616,736,130.75
  5. Step 5: Solve for x
    x = 4,783,616,736,130.75/2,439,469.32
  6. Step 6: Final answer
    x = 1,960,925.15

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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.