Home / 3,078,647.72-4,247,828.95-1,838,016.59

Finding the Fourth Proportional to 3,078,647.72, 4,247,828.95 and 1,838,016.59

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Solution

The fourth proportional to 3,078,647.72, 4,247,828.95 and 1,838,016.59 is: 2,536,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,647.72 : 4,247,828.95 = 1,838,016.59 : x
  2. Step 2: Convert to fraction form
    3,078,647.72/4,247,828.95 = 1,838,016.59/x
  3. Step 3: Cross multiply
    3,078,647.72x = 4,247,828.95 × 1,838,016.59
  4. Step 4: Simplify right side
    3,078,647.72x = 7,807,580,101,899.38
  5. Step 5: Solve for x
    x = 7,807,580,101,899.38/3,078,647.72
  6. Step 6: Final answer
    x = 2,536,042.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.