Home / 2,989,147.72-4,123,946.10-2,301,030.04

Finding the Fourth Proportional to 2,989,147.72, 4,123,946.10 and 2,301,030.04

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Solution

The fourth proportional to 2,989,147.72, 4,123,946.10 and 2,301,030.04 is: 3,174,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,147.72 : 4,123,946.10 = 2,301,030.04 : x
  2. Step 2: Convert to fraction form
    2,989,147.72/4,123,946.10 = 2,301,030.04/x
  3. Step 3: Cross multiply
    2,989,147.72x = 4,123,946.10 × 2,301,030.04
  4. Step 4: Simplify right side
    2,989,147.72x = 9,489,323,859,440.84
  5. Step 5: Solve for x
    x = 9,489,323,859,440.84/2,989,147.72
  6. Step 6: Final answer
    x = 3,174,591.81

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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.