Home / 1,415,173.04-2,132,212.17-1,280,409.86

Finding the Fourth Proportional to 1,415,173.04, 2,132,212.17 and 1,280,409.86

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Solution

The fourth proportional to 1,415,173.04, 2,132,212.17 and 1,280,409.86 is: 1,929,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,173.04 : 2,132,212.17 = 1,280,409.86 : x
  2. Step 2: Convert to fraction form
    1,415,173.04/2,132,212.17 = 1,280,409.86/x
  3. Step 3: Cross multiply
    1,415,173.04x = 2,132,212.17 × 1,280,409.86
  4. Step 4: Simplify right side
    1,415,173.04x = 2,730,105,475,418.94
  5. Step 5: Solve for x
    x = 2,730,105,475,418.94/1,415,173.04
  6. Step 6: Final answer
    x = 1,929,167.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.