Home / 5,428,282.96-8,140,698.72-1,784,172.34

Finding the Fourth Proportional to 5,428,282.96, 8,140,698.72 and 1,784,172.34

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Solution

The fourth proportional to 5,428,282.96, 8,140,698.72 and 1,784,172.34 is: 2,675,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,282.96 : 8,140,698.72 = 1,784,172.34 : x
  2. Step 2: Convert to fraction form
    5,428,282.96/8,140,698.72 = 1,784,172.34/x
  3. Step 3: Cross multiply
    5,428,282.96x = 8,140,698.72 × 1,784,172.34
  4. Step 4: Simplify right side
    5,428,282.96x = 14,524,409,484,497.40
  5. Step 5: Solve for x
    x = 14,524,409,484,497.40/5,428,282.96
  6. Step 6: Final answer
    x = 2,675,691.30

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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.