Home / 2,009,070.40-3,010,981.20-810,011.20

Finding the Fourth Proportional to 2,009,070.40, 3,010,981.20 and 810,011.20

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Solution

The fourth proportional to 2,009,070.40, 3,010,981.20 and 810,011.20 is: 1,213,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,070.40 : 3,010,981.20 = 810,011.20 : x
  2. Step 2: Convert to fraction form
    2,009,070.40/3,010,981.20 = 810,011.20/x
  3. Step 3: Cross multiply
    2,009,070.40x = 3,010,981.20 × 810,011.20
  4. Step 4: Simplify right side
    2,009,070.40x = 2,438,928,494,989.44
  5. Step 5: Solve for x
    x = 2,438,928,494,989.44/2,009,070.40
  6. Step 6: Final answer
    x = 1,213,958.70

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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.