Home / 3,148,583.40-4,728,123.90-1,729,657.80

Finding the Fourth Proportional to 3,148,583.40, 4,728,123.90 and 1,729,657.80

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Solution

The fourth proportional to 3,148,583.40, 4,728,123.90 and 1,729,657.80 is: 2,597,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,583.40 : 4,728,123.90 = 1,729,657.80 : x
  2. Step 2: Convert to fraction form
    3,148,583.40/4,728,123.90 = 1,729,657.80/x
  3. Step 3: Cross multiply
    3,148,583.40x = 4,728,123.90 × 1,729,657.80
  4. Step 4: Simplify right side
    3,148,583.40x = 8,178,036,383,001.42
  5. Step 5: Solve for x
    x = 8,178,036,383,001.42/3,148,583.40
  6. Step 6: Final answer
    x = 2,597,370.10

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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.