Home / 2,289,618.30-3,434,427.45-2,121,656.70

Finding the Fourth Proportional to 2,289,618.30, 3,434,427.45 and 2,121,656.70

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Solution

The fourth proportional to 2,289,618.30, 3,434,427.45 and 2,121,656.70 is: 3,182,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,618.30 : 3,434,427.45 = 2,121,656.70 : x
  2. Step 2: Convert to fraction form
    2,289,618.30/3,434,427.45 = 2,121,656.70/x
  3. Step 3: Cross multiply
    2,289,618.30x = 3,434,427.45 × 2,121,656.70
  4. Step 4: Simplify right side
    2,289,618.30x = 7,286,676,009,956.42
  5. Step 5: Solve for x
    x = 7,286,676,009,956.42/2,289,618.30
  6. Step 6: Final answer
    x = 3,182,485.05

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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.