Home / 2,391,128.42-3,571,453.47-2,163,073.19

Finding the Fourth Proportional to 2,391,128.42, 3,571,453.47 and 2,163,073.19

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Solution

The fourth proportional to 2,391,128.42, 3,571,453.47 and 2,163,073.19 is: 3,230,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,128.42 : 3,571,453.47 = 2,163,073.19 : x
  2. Step 2: Convert to fraction form
    2,391,128.42/3,571,453.47 = 2,163,073.19/x
  3. Step 3: Cross multiply
    2,391,128.42x = 3,571,453.47 × 2,163,073.19
  4. Step 4: Simplify right side
    2,391,128.42x = 7,725,315,232,432.20
  5. Step 5: Solve for x
    x = 7,725,315,232,432.20/2,391,128.42
  6. Step 6: Final answer
    x = 3,230,824.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.