Home / 1,929,476-2,662,676.88-1,070,167.84

Finding the Fourth Proportional to 1,929,476, 2,662,676.88 and 1,070,167.84

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Solution

The fourth proportional to 1,929,476, 2,662,676.88 and 1,070,167.84 is: 1,476,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,476 : 2,662,676.88 = 1,070,167.84 : x
  2. Step 2: Convert to fraction form
    1,929,476/2,662,676.88 = 1,070,167.84/x
  3. Step 3: Cross multiply
    1,929,476x = 2,662,676.88 × 1,070,167.84
  4. Step 4: Simplify right side
    1,929,476x = 2,849,511,165,287.54
  5. Step 5: Solve for x
    x = 2,849,511,165,287.54/1,929,476
  6. Step 6: Final answer
    x = 1,476,831.62

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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.