Home / 1,930,985.40-2,897,514.90-809,167.80

Finding the Fourth Proportional to 1,930,985.40, 2,897,514.90 and 809,167.80

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Solution

The fourth proportional to 1,930,985.40, 2,897,514.90 and 809,167.80 is: 1,214,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,985.40 : 2,897,514.90 = 809,167.80 : x
  2. Step 2: Convert to fraction form
    1,930,985.40/2,897,514.90 = 809,167.80/x
  3. Step 3: Cross multiply
    1,930,985.40x = 2,897,514.90 × 809,167.80
  4. Step 4: Simplify right side
    1,930,985.40x = 2,344,575,757,100.22
  5. Step 5: Solve for x
    x = 2,344,575,757,100.22/1,930,985.40
  6. Step 6: Final answer
    x = 1,214,186.16

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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.