Home / 2,879,876.32-4,319,756.16-749,913.28

Finding the Fourth Proportional to 2,879,876.32, 4,319,756.16 and 749,913.28

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Solution

The fourth proportional to 2,879,876.32, 4,319,756.16 and 749,913.28 is: 1,124,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,876.32 : 4,319,756.16 = 749,913.28 : x
  2. Step 2: Convert to fraction form
    2,879,876.32/4,319,756.16 = 749,913.28/x
  3. Step 3: Cross multiply
    2,879,876.32x = 4,319,756.16 × 749,913.28
  4. Step 4: Simplify right side
    2,879,876.32x = 3,239,442,510,745.81
  5. Step 5: Solve for x
    x = 3,239,442,510,745.81/2,879,876.32
  6. Step 6: Final answer
    x = 1,124,854.73

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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.