Home / 4,890,439.21-7,335,684.09-2,867,264.33

Finding the Fourth Proportional to 4,890,439.21, 7,335,684.09 and 2,867,264.33

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Solution

The fourth proportional to 4,890,439.21, 7,335,684.09 and 2,867,264.33 is: 4,300,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,439.21 : 7,335,684.09 = 2,867,264.33 : x
  2. Step 2: Convert to fraction form
    4,890,439.21/7,335,684.09 = 2,867,264.33/x
  3. Step 3: Cross multiply
    4,890,439.21x = 7,335,684.09 × 2,867,264.33
  4. Step 4: Simplify right side
    4,890,439.21x = 21,033,345,327,405.51
  5. Step 5: Solve for x
    x = 21,033,345,327,405.51/4,890,439.21
  6. Step 6: Final answer
    x = 4,300,911.31

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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.