Home / 2,140,946.52-3,211,419.76-720,883.68

Finding the Fourth Proportional to 2,140,946.52, 3,211,419.76 and 720,883.68

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Solution

The fourth proportional to 2,140,946.52, 3,211,419.76 and 720,883.68 is: 1,081,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,946.52 : 3,211,419.76 = 720,883.68 : x
  2. Step 2: Convert to fraction form
    2,140,946.52/3,211,419.76 = 720,883.68/x
  3. Step 3: Cross multiply
    2,140,946.52x = 3,211,419.76 × 720,883.68
  4. Step 4: Simplify right side
    2,140,946.52x = 2,315,060,094,613.52
  5. Step 5: Solve for x
    x = 2,315,060,094,613.52/2,140,946.52
  6. Step 6: Final answer
    x = 1,081,325.51

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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.