Home / 3,219,045.39-4,828,548.81-822,886.20

Finding the Fourth Proportional to 3,219,045.39, 4,828,548.81 and 822,886.20

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Solution

The fourth proportional to 3,219,045.39, 4,828,548.81 and 822,886.20 is: 1,234,324.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,045.39 : 4,828,548.81 = 822,886.20 : x
  2. Step 2: Convert to fraction form
    3,219,045.39/4,828,548.81 = 822,886.20/x
  3. Step 3: Cross multiply
    3,219,045.39x = 4,828,548.81 × 822,886.20
  4. Step 4: Simplify right side
    3,219,045.39x = 3,973,346,181,775.42
  5. Step 5: Solve for x
    x = 3,973,346,181,775.42/3,219,045.39
  6. Step 6: Final answer
    x = 1,234,324.37

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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.