Home / 5,455,486.89-8,185,590.14-2,928,189.69

Finding the Fourth Proportional to 5,455,486.89, 8,185,590.14 and 2,928,189.69

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Solution

The fourth proportional to 5,455,486.89, 8,185,590.14 and 2,928,189.69 is: 4,393,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,486.89 : 8,185,590.14 = 2,928,189.69 : x
  2. Step 2: Convert to fraction form
    5,455,486.89/8,185,590.14 = 2,928,189.69/x
  3. Step 3: Cross multiply
    5,455,486.89x = 8,185,590.14 × 2,928,189.69
  4. Step 4: Simplify right side
    5,455,486.89x = 23,968,960,639,872.71
  5. Step 5: Solve for x
    x = 23,968,960,639,872.71/5,455,486.89
  6. Step 6: Final answer
    x = 4,393,551.14

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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.