Home / 2,785,657.56-4,178,487.72-1,838,806.98

Finding the Fourth Proportional to 2,785,657.56, 4,178,487.72 and 1,838,806.98

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Solution

The fourth proportional to 2,785,657.56, 4,178,487.72 and 1,838,806.98 is: 2,758,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,657.56 : 4,178,487.72 = 1,838,806.98 : x
  2. Step 2: Convert to fraction form
    2,785,657.56/4,178,487.72 = 1,838,806.98/x
  3. Step 3: Cross multiply
    2,785,657.56x = 4,178,487.72 × 1,838,806.98
  4. Step 4: Simplify right side
    2,785,657.56x = 7,683,432,385,380.29
  5. Step 5: Solve for x
    x = 7,683,432,385,380.29/2,785,657.56
  6. Step 6: Final answer
    x = 2,758,211.38

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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.