Home / 5,429,164.60-8,149,967.70-3,186,566.20

Finding the Fourth Proportional to 5,429,164.60, 8,149,967.70 and 3,186,566.20

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Solution

The fourth proportional to 5,429,164.60, 8,149,967.70 and 3,186,566.20 is: 4,783,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,164.60 : 8,149,967.70 = 3,186,566.20 : x
  2. Step 2: Convert to fraction form
    5,429,164.60/8,149,967.70 = 3,186,566.20/x
  3. Step 3: Cross multiply
    5,429,164.60x = 8,149,967.70 × 3,186,566.20
  4. Step 4: Simplify right side
    5,429,164.60x = 25,970,411,603,911.74
  5. Step 5: Solve for x
    x = 25,970,411,603,911.74/5,429,164.60
  6. Step 6: Final answer
    x = 4,783,500.50

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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.