Home / 3,451,681.69-5,178,269.93-1,321,765.90

Finding the Fourth Proportional to 3,451,681.69, 5,178,269.93 and 1,321,765.90

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Solution

The fourth proportional to 3,451,681.69, 5,178,269.93 and 1,321,765.90 is: 1,982,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,681.69 : 5,178,269.93 = 1,321,765.90 : x
  2. Step 2: Convert to fraction form
    3,451,681.69/5,178,269.93 = 1,321,765.90/x
  3. Step 3: Cross multiply
    3,451,681.69x = 5,178,269.93 × 1,321,765.90
  4. Step 4: Simplify right side
    3,451,681.69x = 6,844,460,594,914.88
  5. Step 5: Solve for x
    x = 6,844,460,594,914.88/3,451,681.69
  6. Step 6: Final answer
    x = 1,982,935.05

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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.