Home / 2,405,816-3,320,026.08-1,438,987.04

Finding the Fourth Proportional to 2,405,816, 3,320,026.08 and 1,438,987.04

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Solution

The fourth proportional to 2,405,816, 3,320,026.08 and 1,438,987.04 is: 1,985,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,816 : 3,320,026.08 = 1,438,987.04 : x
  2. Step 2: Convert to fraction form
    2,405,816/3,320,026.08 = 1,438,987.04/x
  3. Step 3: Cross multiply
    2,405,816x = 3,320,026.08 × 1,438,987.04
  4. Step 4: Simplify right side
    2,405,816x = 4,777,474,501,582.00
  5. Step 5: Solve for x
    x = 4,777,474,501,582.00/2,405,816
  6. Step 6: Final answer
    x = 1,985,802.12

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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.