Home / 5,475,641.91-8,212,835.40-1,432,519.89

Finding the Fourth Proportional to 5,475,641.91, 8,212,835.40 and 1,432,519.89

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Solution

The fourth proportional to 5,475,641.91, 8,212,835.40 and 1,432,519.89 is: 2,148,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475,641.91 : 8,212,835.40 = 1,432,519.89 : x
  2. Step 2: Convert to fraction form
    5,475,641.91/8,212,835.40 = 1,432,519.89/x
  3. Step 3: Cross multiply
    5,475,641.91x = 8,212,835.40 × 1,432,519.89
  4. Step 4: Simplify right side
    5,475,641.91x = 11,765,050,063,796.11
  5. Step 5: Solve for x
    x = 11,765,050,063,796.11/5,475,641.91
  6. Step 6: Final answer
    x = 2,148,615.68

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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.