Home / 1,850,221.80-2,775,332.70-520,525.80

Finding the Fourth Proportional to 1,850,221.80, 2,775,332.70 and 520,525.80

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Solution

The fourth proportional to 1,850,221.80, 2,775,332.70 and 520,525.80 is: 780,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850,221.80 : 2,775,332.70 = 520,525.80 : x
  2. Step 2: Convert to fraction form
    1,850,221.80/2,775,332.70 = 520,525.80/x
  3. Step 3: Cross multiply
    1,850,221.80x = 2,775,332.70 × 520,525.80
  4. Step 4: Simplify right side
    1,850,221.80x = 1,444,632,273,933.66
  5. Step 5: Solve for x
    x = 1,444,632,273,933.66/1,850,221.80
  6. Step 6: Final answer
    x = 780,788.70

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Double scale
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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.