Home / 1,605,170.32-2,215,134.52-880,002.47

Finding the Fourth Proportional to 1,605,170.32, 2,215,134.52 and 880,002.47

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Solution

The fourth proportional to 1,605,170.32, 2,215,134.52 and 880,002.47 is: 1,214,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,170.32 : 2,215,134.52 = 880,002.47 : x
  2. Step 2: Convert to fraction form
    1,605,170.32/2,215,134.52 = 880,002.47/x
  3. Step 3: Cross multiply
    1,605,170.32x = 2,215,134.52 × 880,002.47
  4. Step 4: Simplify right side
    1,605,170.32x = 1,949,323,852,320.09
  5. Step 5: Solve for x
    x = 1,949,323,852,320.09/1,605,170.32
  6. Step 6: Final answer
    x = 1,214,403.13

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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.