Home / 4,867,320.80-7,300,981.20-4,120,824.80

Finding the Fourth Proportional to 4,867,320.80, 7,300,981.20 and 4,120,824.80

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Solution

The fourth proportional to 4,867,320.80, 7,300,981.20 and 4,120,824.80 is: 6,181,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867,320.80 : 7,300,981.20 = 4,120,824.80 : x
  2. Step 2: Convert to fraction form
    4,867,320.80/7,300,981.20 = 4,120,824.80/x
  3. Step 3: Cross multiply
    4,867,320.80x = 7,300,981.20 × 4,120,824.80
  4. Step 4: Simplify right side
    4,867,320.80x = 30,086,064,393,293.76
  5. Step 5: Solve for x
    x = 30,086,064,393,293.76/4,867,320.80
  6. Step 6: Final answer
    x = 6,181,237.20

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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.