Home / 1,859,564.70-2,786,394.60-1,227,740.40

Finding the Fourth Proportional to 1,859,564.70, 2,786,394.60 and 1,227,740.40

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Solution

The fourth proportional to 1,859,564.70, 2,786,394.60 and 1,227,740.40 is: 1,839,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,564.70 : 2,786,394.60 = 1,227,740.40 : x
  2. Step 2: Convert to fraction form
    1,859,564.70/2,786,394.60 = 1,227,740.40/x
  3. Step 3: Cross multiply
    1,859,564.70x = 2,786,394.60 × 1,227,740.40
  4. Step 4: Simplify right side
    1,859,564.70x = 3,420,969,220,761.84
  5. Step 5: Solve for x
    x = 3,420,969,220,761.84/1,859,564.70
  6. Step 6: Final answer
    x = 1,839,661.30

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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.