Home / 2,230,012.28-3,077,155.85-1,312,039.52

Finding the Fourth Proportional to 2,230,012.28, 3,077,155.85 and 1,312,039.52

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Solution

The fourth proportional to 2,230,012.28, 3,077,155.85 and 1,312,039.52 is: 1,810,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,012.28 : 3,077,155.85 = 1,312,039.52 : x
  2. Step 2: Convert to fraction form
    2,230,012.28/3,077,155.85 = 1,312,039.52/x
  3. Step 3: Cross multiply
    2,230,012.28x = 3,077,155.85 × 1,312,039.52
  4. Step 4: Simplify right side
    2,230,012.28x = 4,037,350,073,992.55
  5. Step 5: Solve for x
    x = 4,037,350,073,992.55/2,230,012.28
  6. Step 6: Final answer
    x = 1,810,460.91

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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.