Home / 1,915,011.72-2,871,770.19-835,854.32

Finding the Fourth Proportional to 1,915,011.72, 2,871,770.19 and 835,854.32

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Solution

The fourth proportional to 1,915,011.72, 2,871,770.19 and 835,854.32 is: 1,253,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,011.72 : 2,871,770.19 = 835,854.32 : x
  2. Step 2: Convert to fraction form
    1,915,011.72/2,871,770.19 = 835,854.32/x
  3. Step 3: Cross multiply
    1,915,011.72x = 2,871,770.19 × 835,854.32
  4. Step 4: Simplify right side
    1,915,011.72x = 2,400,381,523,403.69
  5. Step 5: Solve for x
    x = 2,400,381,523,403.69/1,915,011.72
  6. Step 6: Final answer
    x = 1,253,455.27

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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.