Home / 2,020,283.40-2,788,049.85-1,102,571.55

Finding the Fourth Proportional to 2,020,283.40, 2,788,049.85 and 1,102,571.55

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Solution

The fourth proportional to 2,020,283.40, 2,788,049.85 and 1,102,571.55 is: 1,521,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,283.40 : 2,788,049.85 = 1,102,571.55 : x
  2. Step 2: Convert to fraction form
    2,020,283.40/2,788,049.85 = 1,102,571.55/x
  3. Step 3: Cross multiply
    2,020,283.40x = 2,788,049.85 × 1,102,571.55
  4. Step 4: Simplify right side
    2,020,283.40x = 3,074,024,444,591.77
  5. Step 5: Solve for x
    x = 3,074,024,444,591.77/2,020,283.40
  6. Step 6: Final answer
    x = 1,521,580.81

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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.