Home / 6,400,729.71-9,600,022.53-2,140,883.82

Finding the Fourth Proportional to 6,400,729.71, 9,600,022.53 and 2,140,883.82

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Solution

The fourth proportional to 6,400,729.71, 9,600,022.53 and 2,140,883.82 is: 3,210,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,729.71 : 9,600,022.53 = 2,140,883.82 : x
  2. Step 2: Convert to fraction form
    6,400,729.71/9,600,022.53 = 2,140,883.82/x
  3. Step 3: Cross multiply
    6,400,729.71x = 9,600,022.53 × 2,140,883.82
  4. Step 4: Simplify right side
    6,400,729.71x = 20,552,532,906,112.46
  5. Step 5: Solve for x
    x = 20,552,532,906,112.46/6,400,729.71
  6. Step 6: Final answer
    x = 3,210,967.16

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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.