Home / 2,257,403.64-3,115,255.02-1,238,903.16

Finding the Fourth Proportional to 2,257,403.64, 3,115,255.02 and 1,238,903.16

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Solution

The fourth proportional to 2,257,403.64, 3,115,255.02 and 1,238,903.16 is: 1,709,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,403.64 : 3,115,255.02 = 1,238,903.16 : x
  2. Step 2: Convert to fraction form
    2,257,403.64/3,115,255.02 = 1,238,903.16/x
  3. Step 3: Cross multiply
    2,257,403.64x = 3,115,255.02 × 1,238,903.16
  4. Step 4: Simplify right side
    2,257,403.64x = 3,859,499,288,483.86
  5. Step 5: Solve for x
    x = 3,859,499,288,483.86/2,257,403.64
  6. Step 6: Final answer
    x = 1,709,707.21

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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.