Home / 2,692,117.20-4,032,732.60-1,678,126.80

Finding the Fourth Proportional to 2,692,117.20, 4,032,732.60 and 1,678,126.80

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Solution

The fourth proportional to 2,692,117.20, 4,032,732.60 and 1,678,126.80 is: 2,513,797.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,117.20 : 4,032,732.60 = 1,678,126.80 : x
  2. Step 2: Convert to fraction form
    2,692,117.20/4,032,732.60 = 1,678,126.80/x
  3. Step 3: Cross multiply
    2,692,117.20x = 4,032,732.60 × 1,678,126.80
  4. Step 4: Simplify right side
    2,692,117.20x = 6,767,436,653,293.68
  5. Step 5: Solve for x
    x = 6,767,436,653,293.68/2,692,117.20
  6. Step 6: Final answer
    x = 2,513,797.19

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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.