Home / 5,170,909.33-7,136,630.67-3,928,475.17

Finding the Fourth Proportional to 5,170,909.33, 7,136,630.67 and 3,928,475.17

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Solution

The fourth proportional to 5,170,909.33, 7,136,630.67 and 3,928,475.17 is: 5,421,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170,909.33 : 7,136,630.67 = 3,928,475.17 : x
  2. Step 2: Convert to fraction form
    5,170,909.33/7,136,630.67 = 3,928,475.17/x
  3. Step 3: Cross multiply
    5,170,909.33x = 7,136,630.67 × 3,928,475.17
  4. Step 4: Simplify right side
    5,170,909.33x = 28,036,076,408,208.04
  5. Step 5: Solve for x
    x = 28,036,076,408,208.04/5,170,909.33
  6. Step 6: Final answer
    x = 5,421,885.13

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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.