Home / 2,887,124.10-3,984,416.19-1,663,407.36

Finding the Fourth Proportional to 2,887,124.10, 3,984,416.19 and 1,663,407.36

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Solution

The fourth proportional to 2,887,124.10, 3,984,416.19 and 1,663,407.36 is: 2,295,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,124.10 : 3,984,416.19 = 1,663,407.36 : x
  2. Step 2: Convert to fraction form
    2,887,124.10/3,984,416.19 = 1,663,407.36/x
  3. Step 3: Cross multiply
    2,887,124.10x = 3,984,416.19 × 1,663,407.36
  4. Step 4: Simplify right side
    2,887,124.10x = 6,627,707,215,749.16
  5. Step 5: Solve for x
    x = 6,627,707,215,749.16/2,887,124.10
  6. Step 6: Final answer
    x = 2,295,608.70

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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.