Home / 1,861,720.34-2,569,184.37-1,045,958.42

Finding the Fourth Proportional to 1,861,720.34, 2,569,184.37 and 1,045,958.42

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Solution

The fourth proportional to 1,861,720.34, 2,569,184.37 and 1,045,958.42 is: 1,443,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,720.34 : 2,569,184.37 = 1,045,958.42 : x
  2. Step 2: Convert to fraction form
    1,861,720.34/2,569,184.37 = 1,045,958.42/x
  3. Step 3: Cross multiply
    1,861,720.34x = 2,569,184.37 × 1,045,958.42
  4. Step 4: Simplify right side
    1,861,720.34x = 2,687,260,024,333.90
  5. Step 5: Solve for x
    x = 2,687,260,024,333.90/1,861,720.34
  6. Step 6: Final answer
    x = 1,443,428.41

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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.