Home / 1,868,469.29-2,578,487.58-1,009,029.45

Finding the Fourth Proportional to 1,868,469.29, 2,578,487.58 and 1,009,029.45

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Solution

The fourth proportional to 1,868,469.29, 2,578,487.58 and 1,009,029.45 is: 1,392,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,469.29 : 2,578,487.58 = 1,009,029.45 : x
  2. Step 2: Convert to fraction form
    1,868,469.29/2,578,487.58 = 1,009,029.45/x
  3. Step 3: Cross multiply
    1,868,469.29x = 2,578,487.58 × 1,009,029.45
  4. Step 4: Simplify right side
    1,868,469.29x = 2,601,769,914,348.56
  5. Step 5: Solve for x
    x = 2,601,769,914,348.56/1,868,469.29
  6. Step 6: Final answer
    x = 1,392,460.63

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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.