Home / 1,982,443.12-2,735,784.60-1,077,024.88

Finding the Fourth Proportional to 1,982,443.12, 2,735,784.60 and 1,077,024.88

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Solution

The fourth proportional to 1,982,443.12, 2,735,784.60 and 1,077,024.88 is: 1,486,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,443.12 : 2,735,784.60 = 1,077,024.88 : x
  2. Step 2: Convert to fraction form
    1,982,443.12/2,735,784.60 = 1,077,024.88/x
  3. Step 3: Cross multiply
    1,982,443.12x = 2,735,784.60 × 1,077,024.88
  4. Step 4: Simplify right side
    1,982,443.12x = 2,946,508,080,520.85
  5. Step 5: Solve for x
    x = 2,946,508,080,520.85/1,982,443.12
  6. Step 6: Final answer
    x = 1,486,301.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.