Home / 2,879,876.57-4,319,756.54-749,913.53

Finding the Fourth Proportional to 2,879,876.57, 4,319,756.54 and 749,913.53

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Solution

The fourth proportional to 2,879,876.57, 4,319,756.54 and 749,913.53 is: 1,124,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,876.57 : 4,319,756.54 = 749,913.53 : x
  2. Step 2: Convert to fraction form
    2,879,876.57/4,319,756.54 = 749,913.53/x
  3. Step 3: Cross multiply
    2,879,876.57x = 4,319,756.54 × 749,913.53
  4. Step 4: Simplify right side
    2,879,876.57x = 3,239,443,871,902.42
  5. Step 5: Solve for x
    x = 3,239,443,871,902.42/2,879,876.57
  6. Step 6: Final answer
    x = 1,124,855.11

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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.