Home / 2,529,710.92-3,788,423.34-1,390,734.28

Finding the Fourth Proportional to 2,529,710.92, 3,788,423.34 and 1,390,734.28

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Solution

The fourth proportional to 2,529,710.92, 3,788,423.34 and 1,390,734.28 is: 2,082,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529,710.92 : 3,788,423.34 = 1,390,734.28 : x
  2. Step 2: Convert to fraction form
    2,529,710.92/3,788,423.34 = 1,390,734.28/x
  3. Step 3: Cross multiply
    2,529,710.92x = 3,788,423.34 × 1,390,734.28
  4. Step 4: Simplify right side
    2,529,710.92x = 5,268,690,206,090.10
  5. Step 5: Solve for x
    x = 5,268,690,206,090.10/2,529,710.92
  6. Step 6: Final answer
    x = 2,082,724.22

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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.