Home / 1,646,198-2,271,841.48-921,002.48

Finding the Fourth Proportional to 1,646,198, 2,271,841.48 and 921,002.48

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Solution

The fourth proportional to 1,646,198, 2,271,841.48 and 921,002.48 is: 1,271,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,198 : 2,271,841.48 = 921,002.48 : x
  2. Step 2: Convert to fraction form
    1,646,198/2,271,841.48 = 921,002.48/x
  3. Step 3: Cross multiply
    1,646,198x = 2,271,841.48 × 921,002.48
  4. Step 4: Simplify right side
    1,646,198x = 2,092,371,637,246.87
  5. Step 5: Solve for x
    x = 2,092,371,637,246.87/1,646,198
  6. Step 6: Final answer
    x = 1,271,032.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.