Home / 2,171,622.71-3,257,459.13-655,318.77

Finding the Fourth Proportional to 2,171,622.71, 3,257,459.13 and 655,318.77

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Solution

The fourth proportional to 2,171,622.71, 3,257,459.13 and 655,318.77 is: 982,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,622.71 : 3,257,459.13 = 655,318.77 : x
  2. Step 2: Convert to fraction form
    2,171,622.71/3,257,459.13 = 655,318.77/x
  3. Step 3: Cross multiply
    2,171,622.71x = 3,257,459.13 × 655,318.77
  4. Step 4: Simplify right side
    2,171,622.71x = 2,134,674,110,396.87
  5. Step 5: Solve for x
    x = 2,134,674,110,396.87/2,171,622.71
  6. Step 6: Final answer
    x = 982,985.72

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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.