Home / 2,201,645.07-3,038,436.60-1,221,769.59

Finding the Fourth Proportional to 2,201,645.07, 3,038,436.60 and 1,221,769.59

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Solution

The fourth proportional to 2,201,645.07, 3,038,436.60 and 1,221,769.59 is: 1,686,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,645.07 : 3,038,436.60 = 1,221,769.59 : x
  2. Step 2: Convert to fraction form
    2,201,645.07/3,038,436.60 = 1,221,769.59/x
  3. Step 3: Cross multiply
    2,201,645.07x = 3,038,436.60 × 1,221,769.59
  4. Step 4: Simplify right side
    2,201,645.07x = 3,712,269,439,022.99
  5. Step 5: Solve for x
    x = 3,712,269,439,022.99/2,201,645.07
  6. Step 6: Final answer
    x = 1,686,134.38

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1.5x scale

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.