Home / 2,151,527.67-2,969,115.21-1,171,478.30

Finding the Fourth Proportional to 2,151,527.67, 2,969,115.21 and 1,171,478.30

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Solution

The fourth proportional to 2,151,527.67, 2,969,115.21 and 1,171,478.30 is: 1,616,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,527.67 : 2,969,115.21 = 1,171,478.30 : x
  2. Step 2: Convert to fraction form
    2,151,527.67/2,969,115.21 = 1,171,478.30/x
  3. Step 3: Cross multiply
    2,151,527.67x = 2,969,115.21 × 1,171,478.30
  4. Step 4: Simplify right side
    2,151,527.67x = 3,478,254,023,869.37
  5. Step 5: Solve for x
    x = 3,478,254,023,869.37/2,151,527.67
  6. Step 6: Final answer
    x = 1,616,643.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.