Home / 2,688,617.60-4,032,926.40-1,344,924.80

Finding the Fourth Proportional to 2,688,617.60, 4,032,926.40 and 1,344,924.80

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Solution

The fourth proportional to 2,688,617.60, 4,032,926.40 and 1,344,924.80 is: 2,017,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,617.60 : 4,032,926.40 = 1,344,924.80 : x
  2. Step 2: Convert to fraction form
    2,688,617.60/4,032,926.40 = 1,344,924.80/x
  3. Step 3: Cross multiply
    2,688,617.60x = 4,032,926.40 × 1,344,924.80
  4. Step 4: Simplify right side
    2,688,617.60x = 5,423,982,731,934.72
  5. Step 5: Solve for x
    x = 5,423,982,731,934.72/2,688,617.60
  6. Step 6: Final answer
    x = 2,017,387.20

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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.