Home / 1,985,381.01-2,721,980.07-1,949,508.54

Finding the Fourth Proportional to 1,985,381.01, 2,721,980.07 and 1,949,508.54

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Solution

The fourth proportional to 1,985,381.01, 2,721,980.07 and 1,949,508.54 is: 2,672,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,381.01 : 2,721,980.07 = 1,949,508.54 : x
  2. Step 2: Convert to fraction form
    1,985,381.01/2,721,980.07 = 1,949,508.54/x
  3. Step 3: Cross multiply
    1,985,381.01x = 2,721,980.07 × 1,949,508.54
  4. Step 4: Simplify right side
    1,985,381.01x = 5,306,523,392,174.80
  5. Step 5: Solve for x
    x = 5,306,523,392,174.80/1,985,381.01
  6. Step 6: Final answer
    x = 2,672,798.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.