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Finding the Fourth Proportional to 1,894,211.10, 2,613,978.36 and 1,034,749.26

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Solution

The fourth proportional to 1,894,211.10, 2,613,978.36 and 1,034,749.26 is: 1,427,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894,211.10 : 2,613,978.36 = 1,034,749.26 : x
  2. Step 2: Convert to fraction form
    1,894,211.10/2,613,978.36 = 1,034,749.26/x
  3. Step 3: Cross multiply
    1,894,211.10x = 2,613,978.36 × 1,034,749.26
  4. Step 4: Simplify right side
    1,894,211.10x = 2,704,812,173,666.01
  5. Step 5: Solve for x
    x = 2,704,812,173,666.01/1,894,211.10
  6. Step 6: Final answer
    x = 1,427,935.97

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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.