Home / 2,561,786.78-3,532,977.51-2,125,513.40

Finding the Fourth Proportional to 2,561,786.78, 3,532,977.51 and 2,125,513.40

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Solution

The fourth proportional to 2,561,786.78, 3,532,977.51 and 2,125,513.40 is: 2,931,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,786.78 : 3,532,977.51 = 2,125,513.40 : x
  2. Step 2: Convert to fraction form
    2,561,786.78/3,532,977.51 = 2,125,513.40/x
  3. Step 3: Cross multiply
    2,561,786.78x = 3,532,977.51 × 2,125,513.40
  4. Step 4: Simplify right side
    2,561,786.78x = 7,509,391,039,403.63
  5. Step 5: Solve for x
    x = 7,509,391,039,403.63/2,561,786.78
  6. Step 6: Final answer
    x = 2,931,309.93

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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.