Home / 2,550,641.19-3,519,860.34-1,389,106.85

Finding the Fourth Proportional to 2,550,641.19, 3,519,860.34 and 1,389,106.85

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Solution

The fourth proportional to 2,550,641.19, 3,519,860.34 and 1,389,106.85 is: 1,916,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550,641.19 : 3,519,860.34 = 1,389,106.85 : x
  2. Step 2: Convert to fraction form
    2,550,641.19/3,519,860.34 = 1,389,106.85/x
  3. Step 3: Cross multiply
    2,550,641.19x = 3,519,860.34 × 1,389,106.85
  4. Step 4: Simplify right side
    2,550,641.19x = 4,889,462,091,738.03
  5. Step 5: Solve for x
    x = 4,889,462,091,738.03/2,550,641.19
  6. Step 6: Final answer
    x = 1,916,954.10

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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.