Home / 1,937,657.60-2,903,721.60-1,428,243.20

Finding the Fourth Proportional to 1,937,657.60, 2,903,721.60 and 1,428,243.20

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Solution

The fourth proportional to 1,937,657.60, 2,903,721.60 and 1,428,243.20 is: 2,140,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,657.60 : 2,903,721.60 = 1,428,243.20 : x
  2. Step 2: Convert to fraction form
    1,937,657.60/2,903,721.60 = 1,428,243.20/x
  3. Step 3: Cross multiply
    1,937,657.60x = 2,903,721.60 × 1,428,243.20
  4. Step 4: Simplify right side
    1,937,657.60x = 4,147,220,629,893.12
  5. Step 5: Solve for x
    x = 4,147,220,629,893.12/1,937,657.60
  6. Step 6: Final answer
    x = 2,140,326.87

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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.