Home / 5,679,778.32-7,838,412.84-3,101,698.80

Finding the Fourth Proportional to 5,679,778.32, 7,838,412.84 and 3,101,698.80

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Solution

The fourth proportional to 5,679,778.32, 7,838,412.84 and 3,101,698.80 is: 4,280,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679,778.32 : 7,838,412.84 = 3,101,698.80 : x
  2. Step 2: Convert to fraction form
    5,679,778.32/7,838,412.84 = 3,101,698.80/x
  3. Step 3: Cross multiply
    5,679,778.32x = 7,838,412.84 × 3,101,698.80
  4. Step 4: Simplify right side
    5,679,778.32x = 24,312,395,699,732.59
  5. Step 5: Solve for x
    x = 24,312,395,699,732.59/5,679,778.32
  6. Step 6: Final answer
    x = 4,280,518.42

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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.