Home / 3,242,980.40-4,860,388.20-1,645,984.40

Finding the Fourth Proportional to 3,242,980.40, 4,860,388.20 and 1,645,984.40

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Solution

The fourth proportional to 3,242,980.40, 4,860,388.20 and 1,645,984.40 is: 2,466,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242,980.40 : 4,860,388.20 = 1,645,984.40 : x
  2. Step 2: Convert to fraction form
    3,242,980.40/4,860,388.20 = 1,645,984.40/x
  3. Step 3: Cross multiply
    3,242,980.40x = 4,860,388.20 × 1,645,984.40
  4. Step 4: Simplify right side
    3,242,980.40x = 8,000,123,155,144.08
  5. Step 5: Solve for x
    x = 8,000,123,155,144.08/3,242,980.40
  6. Step 6: Final answer
    x = 2,466,904.57

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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.