Home / 2,929,172.77-4,390,659.02-1,332,856.86

Finding the Fourth Proportional to 2,929,172.77, 4,390,659.02 and 1,332,856.86

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Solution

The fourth proportional to 2,929,172.77, 4,390,659.02 and 1,332,856.86 is: 1,997,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,172.77 : 4,390,659.02 = 1,332,856.86 : x
  2. Step 2: Convert to fraction form
    2,929,172.77/4,390,659.02 = 1,332,856.86/x
  3. Step 3: Cross multiply
    2,929,172.77x = 4,390,659.02 × 1,332,856.86
  4. Step 4: Simplify right side
    2,929,172.77x = 5,852,119,994,727.88
  5. Step 5: Solve for x
    x = 5,852,119,994,727.88/2,929,172.77
  6. Step 6: Final answer
    x = 1,997,874.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.