Home / 1,761,947.40-2,648,450.70-1,728,769.80

Finding the Fourth Proportional to 1,761,947.40, 2,648,450.70 and 1,728,769.80

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Solution

The fourth proportional to 1,761,947.40, 2,648,450.70 and 1,728,769.80 is: 2,598,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,947.40 : 2,648,450.70 = 1,728,769.80 : x
  2. Step 2: Convert to fraction form
    1,761,947.40/2,648,450.70 = 1,728,769.80/x
  3. Step 3: Cross multiply
    1,761,947.40x = 2,648,450.70 × 1,728,769.80
  4. Step 4: Simplify right side
    1,761,947.40x = 4,578,561,586,948.86
  5. Step 5: Solve for x
    x = 4,578,561,586,948.86/1,761,947.40
  6. Step 6: Final answer
    x = 2,598,580.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.