Home / 1,646,203.14-2,271,848.31-921,007.44

Finding the Fourth Proportional to 1,646,203.14, 2,271,848.31 and 921,007.44

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Solution

The fourth proportional to 1,646,203.14, 2,271,848.31 and 921,007.44 is: 1,271,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,203.14 : 2,271,848.31 = 921,007.44 : x
  2. Step 2: Convert to fraction form
    1,646,203.14/2,271,848.31 = 921,007.44/x
  3. Step 3: Cross multiply
    1,646,203.14x = 2,271,848.31 × 921,007.44
  4. Step 4: Simplify right side
    1,646,203.14x = 2,092,389,196,061.43
  5. Step 5: Solve for x
    x = 2,092,389,196,061.43/1,646,203.14
  6. Step 6: Final answer
    x = 1,271,039.49

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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.