Home / 4,577,719.20-6,866,578.80-1,212,266.40

Finding the Fourth Proportional to 4,577,719.20, 6,866,578.80 and 1,212,266.40

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Solution

The fourth proportional to 4,577,719.20, 6,866,578.80 and 1,212,266.40 is: 1,818,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577,719.20 : 6,866,578.80 = 1,212,266.40 : x
  2. Step 2: Convert to fraction form
    4,577,719.20/6,866,578.80 = 1,212,266.40/x
  3. Step 3: Cross multiply
    4,577,719.20x = 6,866,578.80 × 1,212,266.40
  4. Step 4: Simplify right side
    4,577,719.20x = 8,324,122,762,192.32
  5. Step 5: Solve for x
    x = 8,324,122,762,192.32/4,577,719.20
  6. Step 6: Final answer
    x = 1,818,399.60

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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.