Home / 1,887,257.90-2,604,489.62-1,071,537.48

Finding the Fourth Proportional to 1,887,257.90, 2,604,489.62 and 1,071,537.48

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Solution

The fourth proportional to 1,887,257.90, 2,604,489.62 and 1,071,537.48 is: 1,478,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,257.90 : 2,604,489.62 = 1,071,537.48 : x
  2. Step 2: Convert to fraction form
    1,887,257.90/2,604,489.62 = 1,071,537.48/x
  3. Step 3: Cross multiply
    1,887,257.90x = 2,604,489.62 × 1,071,537.48
  4. Step 4: Simplify right side
    1,887,257.90x = 2,790,808,244,100.96
  5. Step 5: Solve for x
    x = 2,790,808,244,100.96/1,887,257.90
  6. Step 6: Final answer
    x = 1,478,763.58

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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.