Home / 2,242,478.40-3,363,600.05-644,978.79

Finding the Fourth Proportional to 2,242,478.40, 3,363,600.05 and 644,978.79

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Solution

The fourth proportional to 2,242,478.40, 3,363,600.05 and 644,978.79 is: 967,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242,478.40 : 3,363,600.05 = 644,978.79 : x
  2. Step 2: Convert to fraction form
    2,242,478.40/3,363,600.05 = 644,978.79/x
  3. Step 3: Cross multiply
    2,242,478.40x = 3,363,600.05 × 644,978.79
  4. Step 4: Simplify right side
    2,242,478.40x = 2,169,450,687,068.05
  5. Step 5: Solve for x
    x = 2,169,450,687,068.05/2,242,478.40
  6. Step 6: Final answer
    x = 967,434.37

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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.