Home / 3,144,135.49-4,338,620.65-1,819,330.22

Finding the Fourth Proportional to 3,144,135.49, 4,338,620.65 and 1,819,330.22

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Solution

The fourth proportional to 3,144,135.49, 4,338,620.65 and 1,819,330.22 is: 2,510,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144,135.49 : 4,338,620.65 = 1,819,330.22 : x
  2. Step 2: Convert to fraction form
    3,144,135.49/4,338,620.65 = 1,819,330.22/x
  3. Step 3: Cross multiply
    3,144,135.49x = 4,338,620.65 × 1,819,330.22
  4. Step 4: Simplify right side
    3,144,135.49x = 7,893,383,661,661.04
  5. Step 5: Solve for x
    x = 7,893,383,661,661.04/3,144,135.49
  6. Step 6: Final answer
    x = 2,510,510.02

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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.