Home / 2,400,144.12-3,312,198.54-1,312,416.39

Finding the Fourth Proportional to 2,400,144.12, 3,312,198.54 and 1,312,416.39

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Solution

The fourth proportional to 2,400,144.12, 3,312,198.54 and 1,312,416.39 is: 1,811,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400,144.12 : 3,312,198.54 = 1,312,416.39 : x
  2. Step 2: Convert to fraction form
    2,400,144.12/3,312,198.54 = 1,312,416.39/x
  3. Step 3: Cross multiply
    2,400,144.12x = 3,312,198.54 × 1,312,416.39
  4. Step 4: Simplify right side
    2,400,144.12x = 4,346,983,650,830.07
  5. Step 5: Solve for x
    x = 4,346,983,650,830.07/2,400,144.12
  6. Step 6: Final answer
    x = 1,811,134.43

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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.