Home / 5,194,312.57-7,168,863.39-2,989,130.10

Finding the Fourth Proportional to 5,194,312.57, 7,168,863.39 and 2,989,130.10

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Solution

The fourth proportional to 5,194,312.57, 7,168,863.39 and 2,989,130.10 is: 4,125,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194,312.57 : 7,168,863.39 = 2,989,130.10 : x
  2. Step 2: Convert to fraction form
    5,194,312.57/7,168,863.39 = 2,989,130.10/x
  3. Step 3: Cross multiply
    5,194,312.57x = 7,168,863.39 × 2,989,130.10
  4. Step 4: Simplify right side
    5,194,312.57x = 21,428,665,323,906.99
  5. Step 5: Solve for x
    x = 21,428,665,323,906.99/5,194,312.57
  6. Step 6: Final answer
    x = 4,125,409.29

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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.