Home / 3,238,405.60-4,860,718.80-1,642,770.40

Finding the Fourth Proportional to 3,238,405.60, 4,860,718.80 and 1,642,770.40

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Solution

The fourth proportional to 3,238,405.60, 4,860,718.80 and 1,642,770.40 is: 2,465,733.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,405.60 : 4,860,718.80 = 1,642,770.40 : x
  2. Step 2: Convert to fraction form
    3,238,405.60/4,860,718.80 = 1,642,770.40/x
  3. Step 3: Cross multiply
    3,238,405.60x = 4,860,718.80 × 1,642,770.40
  4. Step 4: Simplify right side
    3,238,405.60x = 7,985,044,967,363.52
  5. Step 5: Solve for x
    x = 7,985,044,967,363.52/3,238,405.60
  6. Step 6: Final answer
    x = 2,465,733.44

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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.