Home / 2,099,692.80-2,897,576.76-1,228,694.92

Finding the Fourth Proportional to 2,099,692.80, 2,897,576.76 and 1,228,694.92

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Solution

The fourth proportional to 2,099,692.80, 2,897,576.76 and 1,228,694.92 is: 1,695,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,692.80 : 2,897,576.76 = 1,228,694.92 : x
  2. Step 2: Convert to fraction form
    2,099,692.80/2,897,576.76 = 1,228,694.92/x
  3. Step 3: Cross multiply
    2,099,692.80x = 2,897,576.76 × 1,228,694.92
  4. Step 4: Simplify right side
    2,099,692.80x = 3,560,237,845,322.06
  5. Step 5: Solve for x
    x = 3,560,237,845,322.06/2,099,692.80
  6. Step 6: Final answer
    x = 1,695,599.40

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1.5x scale

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.