Home / 1,647,031.39-2,272,881.01-921,878.92

Finding the Fourth Proportional to 1,647,031.39, 2,272,881.01 and 921,878.92

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Solution

The fourth proportional to 1,647,031.39, 2,272,881.01 and 921,878.92 is: 1,272,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,031.39 : 2,272,881.01 = 921,878.92 : x
  2. Step 2: Convert to fraction form
    1,647,031.39/2,272,881.01 = 921,878.92/x
  3. Step 3: Cross multiply
    1,647,031.39x = 2,272,881.01 × 921,878.92
  4. Step 4: Simplify right side
    1,647,031.39x = 2,095,321,090,787.31
  5. Step 5: Solve for x
    x = 2,095,321,090,787.31/1,647,031.39
  6. Step 6: Final answer
    x = 1,272,180.42

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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.