Home / 7,280,498.40-10,919,710.80-2,488,408.80

Finding the Fourth Proportional to 7,280,498.40, 10,919,710.80 and 2,488,408.80

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Solution

The fourth proportional to 7,280,498.40, 10,919,710.80 and 2,488,408.80 is: 3,732,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,498.40 : 10,919,710.80 = 2,488,408.80 : x
  2. Step 2: Convert to fraction form
    7,280,498.40/10,919,710.80 = 2,488,408.80/x
  3. Step 3: Cross multiply
    7,280,498.40x = 10,919,710.80 × 2,488,408.80
  4. Step 4: Simplify right side
    7,280,498.40x = 27,172,704,448,175.04
  5. Step 5: Solve for x
    x = 27,172,704,448,175.04/7,280,498.40
  6. Step 6: Final answer
    x = 3,732,258.83

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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.