Home / 2,778,962.24-4,168,443.20-784,418.24

Finding the Fourth Proportional to 2,778,962.24, 4,168,443.20 and 784,418.24

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Solution

The fourth proportional to 2,778,962.24, 4,168,443.20 and 784,418.24 is: 1,176,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,962.24 : 4,168,443.20 = 784,418.24 : x
  2. Step 2: Convert to fraction form
    2,778,962.24/4,168,443.20 = 784,418.24/x
  3. Step 3: Cross multiply
    2,778,962.24x = 4,168,443.20 × 784,418.24
  4. Step 4: Simplify right side
    2,778,962.24x = 3,269,802,878,483.97
  5. Step 5: Solve for x
    x = 3,269,802,878,483.97/2,778,962.24
  6. Step 6: Final answer
    x = 1,176,627.31

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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.