Home / 1,846,951.40-2,772,500.70-1,428,084.20

Finding the Fourth Proportional to 1,846,951.40, 2,772,500.70 and 1,428,084.20

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Solution

The fourth proportional to 1,846,951.40, 2,772,500.70 and 1,428,084.20 is: 2,143,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846,951.40 : 2,772,500.70 = 1,428,084.20 : x
  2. Step 2: Convert to fraction form
    1,846,951.40/2,772,500.70 = 1,428,084.20/x
  3. Step 3: Cross multiply
    1,846,951.40x = 2,772,500.70 × 1,428,084.20
  4. Step 4: Simplify right side
    1,846,951.40x = 3,959,364,444,158.94
  5. Step 5: Solve for x
    x = 3,959,364,444,158.94/1,846,951.40
  6. Step 6: Final answer
    x = 2,143,729.63

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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.