Home / 6,984,574.11-9,638,191.22-3,928,197.87

Finding the Fourth Proportional to 6,984,574.11, 9,638,191.22 and 3,928,197.87

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Solution

The fourth proportional to 6,984,574.11, 9,638,191.22 and 3,928,197.87 is: 5,420,620.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984,574.11 : 9,638,191.22 = 3,928,197.87 : x
  2. Step 2: Convert to fraction form
    6,984,574.11/9,638,191.22 = 3,928,197.87/x
  3. Step 3: Cross multiply
    6,984,574.11x = 9,638,191.22 × 3,928,197.87
  4. Step 4: Simplify right side
    6,984,574.11x = 37,860,722,201,415.71
  5. Step 5: Solve for x
    x = 37,860,722,201,415.71/6,984,574.11
  6. Step 6: Final answer
    x = 5,420,620.01

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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.