Home / 5,649,417.20-8,474,125.80-1,861,986.80

Finding the Fourth Proportional to 5,649,417.20, 8,474,125.80 and 1,861,986.80

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Solution

The fourth proportional to 5,649,417.20, 8,474,125.80 and 1,861,986.80 is: 2,792,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649,417.20 : 8,474,125.80 = 1,861,986.80 : x
  2. Step 2: Convert to fraction form
    5,649,417.20/8,474,125.80 = 1,861,986.80/x
  3. Step 3: Cross multiply
    5,649,417.20x = 8,474,125.80 × 1,861,986.80
  4. Step 4: Simplify right side
    5,649,417.20x = 15,778,710,381,139.44
  5. Step 5: Solve for x
    x = 15,778,710,381,139.44/5,649,417.20
  6. Step 6: Final answer
    x = 2,792,980.20

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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.