Home / 1,930,911.90-2,897,404.65-809,094.30

Finding the Fourth Proportional to 1,930,911.90, 2,897,404.65 and 809,094.30

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Solution

The fourth proportional to 1,930,911.90, 2,897,404.65 and 809,094.30 is: 1,214,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,911.90 : 2,897,404.65 = 809,094.30 : x
  2. Step 2: Convert to fraction form
    1,930,911.90/2,897,404.65 = 809,094.30/x
  3. Step 3: Cross multiply
    1,930,911.90x = 2,897,404.65 × 809,094.30
  4. Step 4: Simplify right side
    1,930,911.90x = 2,344,273,587,108.50
  5. Step 5: Solve for x
    x = 2,344,273,587,108.50/1,930,911.90
  6. Step 6: Final answer
    x = 1,214,075.89

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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.