Home / 2,625,819.60-3,938,729.40-1,492,078.80

Finding the Fourth Proportional to 2,625,819.60, 3,938,729.40 and 1,492,078.80

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Solution

The fourth proportional to 2,625,819.60, 3,938,729.40 and 1,492,078.80 is: 2,238,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,819.60 : 3,938,729.40 = 1,492,078.80 : x
  2. Step 2: Convert to fraction form
    2,625,819.60/3,938,729.40 = 1,492,078.80/x
  3. Step 3: Cross multiply
    2,625,819.60x = 3,938,729.40 × 1,492,078.80
  4. Step 4: Simplify right side
    2,625,819.60x = 5,876,894,636,676.72
  5. Step 5: Solve for x
    x = 5,876,894,636,676.72/2,625,819.60
  6. Step 6: Final answer
    x = 2,238,118.20

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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.