Home / 1,974,999.36-2,725,493.28-1,069,581.12

Finding the Fourth Proportional to 1,974,999.36, 2,725,493.28 and 1,069,581.12

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Solution

The fourth proportional to 1,974,999.36, 2,725,493.28 and 1,069,581.12 is: 1,476,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,999.36 : 2,725,493.28 = 1,069,581.12 : x
  2. Step 2: Convert to fraction form
    1,974,999.36/2,725,493.28 = 1,069,581.12/x
  3. Step 3: Cross multiply
    1,974,999.36x = 2,725,493.28 × 1,069,581.12
  4. Step 4: Simplify right side
    1,974,999.36x = 2,915,136,154,974.87
  5. Step 5: Solve for x
    x = 2,915,136,154,974.87/1,974,999.36
  6. Step 6: Final answer
    x = 1,476,018.78

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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.