Home / 1,569,178.14-2,165,402.07-890,100.06

Finding the Fourth Proportional to 1,569,178.14, 2,165,402.07 and 890,100.06

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Solution

The fourth proportional to 1,569,178.14, 2,165,402.07 and 890,100.06 is: 1,228,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,178.14 : 2,165,402.07 = 890,100.06 : x
  2. Step 2: Convert to fraction form
    1,569,178.14/2,165,402.07 = 890,100.06/x
  3. Step 3: Cross multiply
    1,569,178.14x = 2,165,402.07 × 890,100.06
  4. Step 4: Simplify right side
    1,569,178.14x = 1,927,424,512,431.12
  5. Step 5: Solve for x
    x = 1,927,424,512,431.12/1,569,178.14
  6. Step 6: Final answer
    x = 1,228,301.91

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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.