Home / 1,888,112.80-2,832,169.20-1,216,266.40

Finding the Fourth Proportional to 1,888,112.80, 2,832,169.20 and 1,216,266.40

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Solution

The fourth proportional to 1,888,112.80, 2,832,169.20 and 1,216,266.40 is: 1,824,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,112.80 : 2,832,169.20 = 1,216,266.40 : x
  2. Step 2: Convert to fraction form
    1,888,112.80/2,832,169.20 = 1,216,266.40/x
  3. Step 3: Cross multiply
    1,888,112.80x = 2,832,169.20 × 1,216,266.40
  4. Step 4: Simplify right side
    1,888,112.80x = 3,444,672,237,074.88
  5. Step 5: Solve for x
    x = 3,444,672,237,074.88/1,888,112.80
  6. Step 6: Final answer
    x = 1,824,399.60

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1.5x scale

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.