Home / 3,678,742.02-5,518,943.39-1,120,185.71

Finding the Fourth Proportional to 3,678,742.02, 5,518,943.39 and 1,120,185.71

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Solution

The fourth proportional to 3,678,742.02, 5,518,943.39 and 1,120,185.71 is: 1,680,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,742.02 : 5,518,943.39 = 1,120,185.71 : x
  2. Step 2: Convert to fraction form
    3,678,742.02/5,518,943.39 = 1,120,185.71/x
  3. Step 3: Cross multiply
    3,678,742.02x = 5,518,943.39 × 1,120,185.71
  4. Step 4: Simplify right side
    3,678,742.02x = 6,182,241,519,776.96
  5. Step 5: Solve for x
    x = 6,182,241,519,776.96/3,678,742.02
  6. Step 6: Final answer
    x = 1,680,531.41

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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.