Home / 2,963,849.12-4,090,131.44-1,605,722.12

Finding the Fourth Proportional to 2,963,849.12, 4,090,131.44 and 1,605,722.12

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Solution

The fourth proportional to 2,963,849.12, 4,090,131.44 and 1,605,722.12 is: 2,215,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963,849.12 : 4,090,131.44 = 1,605,722.12 : x
  2. Step 2: Convert to fraction form
    2,963,849.12/4,090,131.44 = 1,605,722.12/x
  3. Step 3: Cross multiply
    2,963,849.12x = 4,090,131.44 × 1,605,722.12
  4. Step 4: Simplify right side
    2,963,849.12x = 6,567,614,526,915.45
  5. Step 5: Solve for x
    x = 6,567,614,526,915.45/2,963,849.12
  6. Step 6: Final answer
    x = 2,215,907.17

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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.