Home / 2,553,320.80-3,830,856.09-871,605.28

Finding the Fourth Proportional to 2,553,320.80, 3,830,856.09 and 871,605.28

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Solution

The fourth proportional to 2,553,320.80, 3,830,856.09 and 871,605.28 is: 1,307,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553,320.80 : 3,830,856.09 = 871,605.28 : x
  2. Step 2: Convert to fraction form
    2,553,320.80/3,830,856.09 = 871,605.28/x
  3. Step 3: Cross multiply
    2,553,320.80x = 3,830,856.09 × 871,605.28
  4. Step 4: Simplify right side
    2,553,320.80x = 3,338,994,394,964.16
  5. Step 5: Solve for x
    x = 3,338,994,394,964.16/2,553,320.80
  6. Step 6: Final answer
    x = 1,307,706.57

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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.