Home / 2,782,421-4,172,416.14-984,707.24

Finding the Fourth Proportional to 2,782,421, 4,172,416.14 and 984,707.24

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Solution

The fourth proportional to 2,782,421, 4,172,416.14 and 984,707.24 is: 1,476,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,421 : 4,172,416.14 = 984,707.24 : x
  2. Step 2: Convert to fraction form
    2,782,421/4,172,416.14 = 984,707.24/x
  3. Step 3: Cross multiply
    2,782,421x = 4,172,416.14 × 984,707.24
  4. Step 4: Simplify right side
    2,782,421x = 4,108,608,381,350.85
  5. Step 5: Solve for x
    x = 4,108,608,381,350.85/2,782,421
  6. Step 6: Final answer
    x = 1,476,630.74

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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.