Home / 3,670,045.40-5,509,215.30-2,174,979.80

Finding the Fourth Proportional to 3,670,045.40, 5,509,215.30 and 2,174,979.80

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Solution

The fourth proportional to 3,670,045.40, 5,509,215.30 and 2,174,979.80 is: 3,264,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,045.40 : 5,509,215.30 = 2,174,979.80 : x
  2. Step 2: Convert to fraction form
    3,670,045.40/5,509,215.30 = 2,174,979.80/x
  3. Step 3: Cross multiply
    3,670,045.40x = 5,509,215.30 × 2,174,979.80
  4. Step 4: Simplify right side
    3,670,045.40x = 11,982,431,991,350.94
  5. Step 5: Solve for x
    x = 11,982,431,991,350.94/3,670,045.40
  6. Step 6: Final answer
    x = 3,264,927.46

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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.