Home / 3,189,681.36-4,401,866.61-1,739,456.16

Finding the Fourth Proportional to 3,189,681.36, 4,401,866.61 and 1,739,456.16

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Solution

The fourth proportional to 3,189,681.36, 4,401,866.61 and 1,739,456.16 is: 2,400,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,681.36 : 4,401,866.61 = 1,739,456.16 : x
  2. Step 2: Convert to fraction form
    3,189,681.36/4,401,866.61 = 1,739,456.16/x
  3. Step 3: Cross multiply
    3,189,681.36x = 4,401,866.61 × 1,739,456.16
  4. Step 4: Simplify right side
    3,189,681.36x = 7,656,853,990,262.82
  5. Step 5: Solve for x
    x = 7,656,853,990,262.82/3,189,681.36
  6. Step 6: Final answer
    x = 2,400,507.49

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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.