Home / 5,373,116.80-8,059,675.20-1,779,438.40

Finding the Fourth Proportional to 5,373,116.80, 8,059,675.20 and 1,779,438.40

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Solution

The fourth proportional to 5,373,116.80, 8,059,675.20 and 1,779,438.40 is: 2,669,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373,116.80 : 8,059,675.20 = 1,779,438.40 : x
  2. Step 2: Convert to fraction form
    5,373,116.80/8,059,675.20 = 1,779,438.40/x
  3. Step 3: Cross multiply
    5,373,116.80x = 8,059,675.20 × 1,779,438.40
  4. Step 4: Simplify right side
    5,373,116.80x = 14,341,695,542,407.68
  5. Step 5: Solve for x
    x = 14,341,695,542,407.68/5,373,116.80
  6. Step 6: Final answer
    x = 2,669,157.60

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Similar ratio
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1.5x scale

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.