Home / 2,646,421.81-3,650,715.56-1,729,187.19

Finding the Fourth Proportional to 2,646,421.81, 3,650,715.56 and 1,729,187.19

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Solution

The fourth proportional to 2,646,421.81, 3,650,715.56 and 1,729,187.19 is: 2,385,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,421.81 : 3,650,715.56 = 1,729,187.19 : x
  2. Step 2: Convert to fraction form
    2,646,421.81/3,650,715.56 = 1,729,187.19/x
  3. Step 3: Cross multiply
    2,646,421.81x = 3,650,715.56 × 1,729,187.19
  4. Step 4: Simplify right side
    2,646,421.81x = 6,312,770,585,008.65
  5. Step 5: Solve for x
    x = 6,312,770,585,008.65/2,646,421.81
  6. Step 6: Final answer
    x = 2,385,398.49

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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.