Home / 4,985,680.10-7,477,483.35-2,145,884.90

Finding the Fourth Proportional to 4,985,680.10, 7,477,483.35 and 2,145,884.90

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Solution

The fourth proportional to 4,985,680.10, 7,477,483.35 and 2,145,884.90 is: 3,218,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,680.10 : 7,477,483.35 = 2,145,884.90 : x
  2. Step 2: Convert to fraction form
    4,985,680.10/7,477,483.35 = 2,145,884.90/x
  3. Step 3: Cross multiply
    4,985,680.10x = 7,477,483.35 × 2,145,884.90
  4. Step 4: Simplify right side
    4,985,680.10x = 16,045,818,610,766.41
  5. Step 5: Solve for x
    x = 16,045,818,610,766.41/4,985,680.10
  6. Step 6: Final answer
    x = 3,218,381.10

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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.