Home / 2,644,935.47-3,967,776.81-847,398.45

Finding the Fourth Proportional to 2,644,935.47, 3,967,776.81 and 847,398.45

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Solution

The fourth proportional to 2,644,935.47, 3,967,776.81 and 847,398.45 is: 1,271,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644,935.47 : 3,967,776.81 = 847,398.45 : x
  2. Step 2: Convert to fraction form
    2,644,935.47/3,967,776.81 = 847,398.45/x
  3. Step 3: Cross multiply
    2,644,935.47x = 3,967,776.81 × 847,398.45
  4. Step 4: Simplify right side
    2,644,935.47x = 3,362,287,918,739.94
  5. Step 5: Solve for x
    x = 3,362,287,918,739.94/2,644,935.47
  6. Step 6: Final answer
    x = 1,271,217.37

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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.