Home / 2,785,669.56-4,178,505.72-1,838,818.98

Finding the Fourth Proportional to 2,785,669.56, 4,178,505.72 and 1,838,818.98

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Solution

The fourth proportional to 2,785,669.56, 4,178,505.72 and 1,838,818.98 is: 2,758,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,669.56 : 4,178,505.72 = 1,838,818.98 : x
  2. Step 2: Convert to fraction form
    2,785,669.56/4,178,505.72 = 1,838,818.98/x
  3. Step 3: Cross multiply
    2,785,669.56x = 4,178,505.72 × 1,838,818.98
  4. Step 4: Simplify right side
    2,785,669.56x = 7,683,515,625,974.57
  5. Step 5: Solve for x
    x = 7,683,515,625,974.57/2,785,669.56
  6. Step 6: Final answer
    x = 2,758,229.38

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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.