Home / 3,109,255.32-4,666,541.40-1,217,325.36

Finding the Fourth Proportional to 3,109,255.32, 4,666,541.40 and 1,217,325.36

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Solution

The fourth proportional to 3,109,255.32, 4,666,541.40 and 1,217,325.36 is: 1,827,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,255.32 : 4,666,541.40 = 1,217,325.36 : x
  2. Step 2: Convert to fraction form
    3,109,255.32/4,666,541.40 = 1,217,325.36/x
  3. Step 3: Cross multiply
    3,109,255.32x = 4,666,541.40 × 1,217,325.36
  4. Step 4: Simplify right side
    3,109,255.32x = 5,680,699,189,709.91
  5. Step 5: Solve for x
    x = 5,680,699,189,709.91/3,109,255.32
  6. Step 6: Final answer
    x = 1,827,028.86

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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.