Home / 2,197,969.40-3,297,342.90-778,849.40

Finding the Fourth Proportional to 2,197,969.40, 3,297,342.90 and 778,849.40

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Solution

The fourth proportional to 2,197,969.40, 3,297,342.90 and 778,849.40 is: 1,168,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,969.40 : 3,297,342.90 = 778,849.40 : x
  2. Step 2: Convert to fraction form
    2,197,969.40/3,297,342.90 = 778,849.40/x
  3. Step 3: Cross multiply
    2,197,969.40x = 3,297,342.90 × 778,849.40
  4. Step 4: Simplify right side
    2,197,969.40x = 2,568,133,539,259.26
  5. Step 5: Solve for x
    x = 2,568,133,539,259.26/2,197,969.40
  6. Step 6: Final answer
    x = 1,168,411.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.