Home / 4,959,140.80-7,438,711.20-4,119,332.80

Finding the Fourth Proportional to 4,959,140.80, 7,438,711.20 and 4,119,332.80

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Solution

The fourth proportional to 4,959,140.80, 7,438,711.20 and 4,119,332.80 is: 6,178,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959,140.80 : 7,438,711.20 = 4,119,332.80 : x
  2. Step 2: Convert to fraction form
    4,959,140.80/7,438,711.20 = 4,119,332.80/x
  3. Step 3: Cross multiply
    4,959,140.80x = 7,438,711.20 × 4,119,332.80
  4. Step 4: Simplify right side
    4,959,140.80x = 30,642,527,035,887.36
  5. Step 5: Solve for x
    x = 30,642,527,035,887.36/4,959,140.80
  6. Step 6: Final answer
    x = 6,178,999.20

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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.