Home / 3,674,578.77-5,512,988.79-1,878,723.72

Finding the Fourth Proportional to 3,674,578.77, 5,512,988.79 and 1,878,723.72

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Solution

The fourth proportional to 3,674,578.77, 5,512,988.79 and 1,878,723.72 is: 2,818,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674,578.77 : 5,512,988.79 = 1,878,723.72 : x
  2. Step 2: Convert to fraction form
    3,674,578.77/5,512,988.79 = 1,878,723.72/x
  3. Step 3: Cross multiply
    3,674,578.77x = 5,512,988.79 × 1,878,723.72
  4. Step 4: Simplify right side
    3,674,578.77x = 10,357,382,807,867.10
  5. Step 5: Solve for x
    x = 10,357,382,807,867.10/3,674,578.77
  6. Step 6: Final answer
    x = 2,818,658.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.