Home / 2,990,682.50-4,486,023.76-889,434.50

Finding the Fourth Proportional to 2,990,682.50, 4,486,023.76 and 889,434.50

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Solution

The fourth proportional to 2,990,682.50, 4,486,023.76 and 889,434.50 is: 1,334,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,682.50 : 4,486,023.76 = 889,434.50 : x
  2. Step 2: Convert to fraction form
    2,990,682.50/4,486,023.76 = 889,434.50/x
  3. Step 3: Cross multiply
    2,990,682.50x = 4,486,023.76 × 889,434.50
  4. Step 4: Simplify right side
    2,990,682.50x = 3,990,024,299,963.72
  5. Step 5: Solve for x
    x = 3,990,024,299,963.72/2,990,682.50
  6. Step 6: Final answer
    x = 1,334,151.75

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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.