Home / 2,206,943.30-3,045,484.54-1,289,257.46

Finding the Fourth Proportional to 2,206,943.30, 3,045,484.54 and 1,289,257.46

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Solution

The fourth proportional to 2,206,943.30, 3,045,484.54 and 1,289,257.46 is: 1,779,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206,943.30 : 3,045,484.54 = 1,289,257.46 : x
  2. Step 2: Convert to fraction form
    2,206,943.30/3,045,484.54 = 1,289,257.46/x
  3. Step 3: Cross multiply
    2,206,943.30x = 3,045,484.54 × 1,289,257.46
  4. Step 4: Simplify right side
    2,206,943.30x = 3,926,413,644,059.10
  5. Step 5: Solve for x
    x = 3,926,413,644,059.10/2,206,943.30
  6. Step 6: Final answer
    x = 1,779,118.50

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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.