Home / 2,205,666.60-3,308,499.90-943,621.80

Finding the Fourth Proportional to 2,205,666.60, 3,308,499.90 and 943,621.80

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Solution

The fourth proportional to 2,205,666.60, 3,308,499.90 and 943,621.80 is: 1,415,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,666.60 : 3,308,499.90 = 943,621.80 : x
  2. Step 2: Convert to fraction form
    2,205,666.60/3,308,499.90 = 943,621.80/x
  3. Step 3: Cross multiply
    2,205,666.60x = 3,308,499.90 × 943,621.80
  4. Step 4: Simplify right side
    2,205,666.60x = 3,121,972,630,937.82
  5. Step 5: Solve for x
    x = 3,121,972,630,937.82/2,205,666.60
  6. Step 6: Final answer
    x = 1,415,432.70

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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.