Home / 5,437,667.21-7,503,822.09-2,990,275.70

Finding the Fourth Proportional to 5,437,667.21, 7,503,822.09 and 2,990,275.70

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Solution

The fourth proportional to 5,437,667.21, 7,503,822.09 and 2,990,275.70 is: 4,126,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437,667.21 : 7,503,822.09 = 2,990,275.70 : x
  2. Step 2: Convert to fraction form
    5,437,667.21/7,503,822.09 = 2,990,275.70/x
  3. Step 3: Cross multiply
    5,437,667.21x = 7,503,822.09 × 2,990,275.70
  4. Step 4: Simplify right side
    5,437,667.21x = 22,438,496,815,331.10
  5. Step 5: Solve for x
    x = 22,438,496,815,331.10/5,437,667.21
  6. Step 6: Final answer
    x = 4,126,493.21

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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.