Home / 3,619,806.67-4,995,460.65-1,988,364.81

Finding the Fourth Proportional to 3,619,806.67, 4,995,460.65 and 1,988,364.81

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Solution

The fourth proportional to 3,619,806.67, 4,995,460.65 and 1,988,364.81 is: 2,744,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,806.67 : 4,995,460.65 = 1,988,364.81 : x
  2. Step 2: Convert to fraction form
    3,619,806.67/4,995,460.65 = 1,988,364.81/x
  3. Step 3: Cross multiply
    3,619,806.67x = 4,995,460.65 × 1,988,364.81
  4. Step 4: Simplify right side
    3,619,806.67x = 9,932,798,192,389.07
  5. Step 5: Solve for x
    x = 9,932,798,192,389.07/3,619,806.67
  6. Step 6: Final answer
    x = 2,744,013.45

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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.