Home / 2,126,431.99-2,934,549.71-1,208,699.56

Finding the Fourth Proportional to 2,126,431.99, 2,934,549.71 and 1,208,699.56

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Solution

The fourth proportional to 2,126,431.99, 2,934,549.71 and 1,208,699.56 is: 1,668,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,431.99 : 2,934,549.71 = 1,208,699.56 : x
  2. Step 2: Convert to fraction form
    2,126,431.99/2,934,549.71 = 1,208,699.56/x
  3. Step 3: Cross multiply
    2,126,431.99x = 2,934,549.71 × 1,208,699.56
  4. Step 4: Simplify right side
    2,126,431.99x = 3,546,988,943,275.13
  5. Step 5: Solve for x
    x = 3,546,988,943,275.13/2,126,431.99
  6. Step 6: Final answer
    x = 1,668,047.21

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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.