Home / 3,442,508.40-5,159,038.64-2,178,072.48

Finding the Fourth Proportional to 3,442,508.40, 5,159,038.64 and 2,178,072.48

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Solution

The fourth proportional to 3,442,508.40, 5,159,038.64 and 2,178,072.48 is: 3,264,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442,508.40 : 5,159,038.64 = 2,178,072.48 : x
  2. Step 2: Convert to fraction form
    3,442,508.40/5,159,038.64 = 2,178,072.48/x
  3. Step 3: Cross multiply
    3,442,508.40x = 5,159,038.64 × 2,178,072.48
  4. Step 4: Simplify right side
    3,442,508.40x = 11,236,760,085,040.63
  5. Step 5: Solve for x
    x = 11,236,760,085,040.63/3,442,508.40
  6. Step 6: Final answer
    x = 3,264,119.87

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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.