Home / 1,930,241.18-2,893,479.12-919,091.45

Finding the Fourth Proportional to 1,930,241.18, 2,893,479.12 and 919,091.45

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Solution

The fourth proportional to 1,930,241.18, 2,893,479.12 and 919,091.45 is: 1,377,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,241.18 : 2,893,479.12 = 919,091.45 : x
  2. Step 2: Convert to fraction form
    1,930,241.18/2,893,479.12 = 919,091.45/x
  3. Step 3: Cross multiply
    1,930,241.18x = 2,893,479.12 × 919,091.45
  4. Step 4: Simplify right side
    1,930,241.18x = 2,659,371,919,945.52
  5. Step 5: Solve for x
    x = 2,659,371,919,945.52/1,930,241.18
  6. Step 6: Final answer
    x = 1,377,740.74

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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.