Home / 2,911,332.35-4,367,784.75-889,521.12

Finding the Fourth Proportional to 2,911,332.35, 4,367,784.75 and 889,521.12

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Solution

The fourth proportional to 2,911,332.35, 4,367,784.75 and 889,521.12 is: 1,334,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,332.35 : 4,367,784.75 = 889,521.12 : x
  2. Step 2: Convert to fraction form
    2,911,332.35/4,367,784.75 = 889,521.12/x
  3. Step 3: Cross multiply
    2,911,332.35x = 4,367,784.75 × 889,521.12
  4. Step 4: Simplify right side
    2,911,332.35x = 3,885,236,782,738.92
  5. Step 5: Solve for x
    x = 3,885,236,782,738.92/2,911,332.35
  6. Step 6: Final answer
    x = 1,334,521.90

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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.