Home / 3,674,619.88-5,513,049.74-1,878,764.22

Finding the Fourth Proportional to 3,674,619.88, 5,513,049.74 and 1,878,764.22

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Solution

The fourth proportional to 3,674,619.88, 5,513,049.74 and 1,878,764.22 is: 2,818,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674,619.88 : 5,513,049.74 = 1,878,764.22 : x
  2. Step 2: Convert to fraction form
    3,674,619.88/5,513,049.74 = 1,878,764.22/x
  3. Step 3: Cross multiply
    3,674,619.88x = 5,513,049.74 × 1,878,764.22
  4. Step 4: Simplify right side
    3,674,619.88x = 10,357,720,599,289.21
  5. Step 5: Solve for x
    x = 10,357,720,599,289.21/3,674,619.88
  6. Step 6: Final answer
    x = 2,818,718.93

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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.