Home / 2,931,644.40-4,388,135.40-2,091,836.40

Finding the Fourth Proportional to 2,931,644.40, 4,388,135.40 and 2,091,836.40

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Solution

The fourth proportional to 2,931,644.40, 4,388,135.40 and 2,091,836.40 is: 3,131,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,644.40 : 4,388,135.40 = 2,091,836.40 : x
  2. Step 2: Convert to fraction form
    2,931,644.40/4,388,135.40 = 2,091,836.40/x
  3. Step 3: Cross multiply
    2,931,644.40x = 4,388,135.40 × 2,091,836.40
  4. Step 4: Simplify right side
    2,931,644.40x = 9,179,261,357,848.56
  5. Step 5: Solve for x
    x = 9,179,261,357,848.56/2,931,644.40
  6. Step 6: Final answer
    x = 3,131,096.44

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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.