Home / 5,466,220.80-8,199,331.20-4,190,762.40

Finding the Fourth Proportional to 5,466,220.80, 8,199,331.20 and 4,190,762.40

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Solution

The fourth proportional to 5,466,220.80, 8,199,331.20 and 4,190,762.40 is: 6,286,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466,220.80 : 8,199,331.20 = 4,190,762.40 : x
  2. Step 2: Convert to fraction form
    5,466,220.80/8,199,331.20 = 4,190,762.40/x
  3. Step 3: Cross multiply
    5,466,220.80x = 8,199,331.20 × 4,190,762.40
  4. Step 4: Simplify right side
    5,466,220.80x = 34,361,448,898,106.88
  5. Step 5: Solve for x
    x = 34,361,448,898,106.88/5,466,220.80
  6. Step 6: Final answer
    x = 6,286,143.60

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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.