Home / 5,158,205.40-7,737,308.10-4,939,786.20

Finding the Fourth Proportional to 5,158,205.40, 7,737,308.10 and 4,939,786.20

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Solution

The fourth proportional to 5,158,205.40, 7,737,308.10 and 4,939,786.20 is: 7,409,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,205.40 : 7,737,308.10 = 4,939,786.20 : x
  2. Step 2: Convert to fraction form
    5,158,205.40/7,737,308.10 = 4,939,786.20/x
  3. Step 3: Cross multiply
    5,158,205.40x = 7,737,308.10 × 4,939,786.20
  4. Step 4: Simplify right side
    5,158,205.40x = 38,220,647,777,528.22
  5. Step 5: Solve for x
    x = 38,220,647,777,528.22/5,158,205.40
  6. Step 6: Final answer
    x = 7,409,679.30

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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.