Home / 2,926,801.20-4,388,889.60-1,328,541.60

Finding the Fourth Proportional to 2,926,801.20, 4,388,889.60 and 1,328,541.60

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Solution

The fourth proportional to 2,926,801.20, 4,388,889.60 and 1,328,541.60 is: 1,992,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926,801.20 : 4,388,889.60 = 1,328,541.60 : x
  2. Step 2: Convert to fraction form
    2,926,801.20/4,388,889.60 = 1,328,541.60/x
  3. Step 3: Cross multiply
    2,926,801.20x = 4,388,889.60 × 1,328,541.60
  4. Step 4: Simplify right side
    2,926,801.20x = 5,830,822,411,407.36
  5. Step 5: Solve for x
    x = 5,830,822,411,407.36/2,926,801.20
  6. Step 6: Final answer
    x = 1,992,216.76

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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.