Home / 6,390,950.15-8,819,728.82-3,779,692.65

Finding the Fourth Proportional to 6,390,950.15, 8,819,728.82 and 3,779,692.65

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Solution

The fourth proportional to 6,390,950.15, 8,819,728.82 and 3,779,692.65 is: 5,216,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,950.15 : 8,819,728.82 = 3,779,692.65 : x
  2. Step 2: Convert to fraction form
    6,390,950.15/8,819,728.82 = 3,779,692.65/x
  3. Step 3: Cross multiply
    6,390,950.15x = 8,819,728.82 × 3,779,692.65
  4. Step 4: Simplify right side
    6,390,950.15x = 33,335,864,205,396.40
  5. Step 5: Solve for x
    x = 33,335,864,205,396.40/6,390,950.15
  6. Step 6: Final answer
    x = 5,216,104.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.