Home / 1,947,955.20-2,921,932.80-1,649,356.80

Finding the Fourth Proportional to 1,947,955.20, 2,921,932.80 and 1,649,356.80

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Solution

The fourth proportional to 1,947,955.20, 2,921,932.80 and 1,649,356.80 is: 2,474,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,955.20 : 2,921,932.80 = 1,649,356.80 : x
  2. Step 2: Convert to fraction form
    1,947,955.20/2,921,932.80 = 1,649,356.80/x
  3. Step 3: Cross multiply
    1,947,955.20x = 2,921,932.80 × 1,649,356.80
  4. Step 4: Simplify right side
    1,947,955.20x = 4,819,309,732,823.04
  5. Step 5: Solve for x
    x = 4,819,309,732,823.04/1,947,955.20
  6. Step 6: Final answer
    x = 2,474,035.20

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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.