Home / 2,197,967.40-3,297,339.90-778,847.40

Finding the Fourth Proportional to 2,197,967.40, 3,297,339.90 and 778,847.40

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Solution

The fourth proportional to 2,197,967.40, 3,297,339.90 and 778,847.40 is: 1,168,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,967.40 : 3,297,339.90 = 778,847.40 : x
  2. Step 2: Convert to fraction form
    2,197,967.40/3,297,339.90 = 778,847.40/x
  3. Step 3: Cross multiply
    2,197,967.40x = 3,297,339.90 × 778,847.40
  4. Step 4: Simplify right side
    2,197,967.40x = 2,568,124,608,031.26
  5. Step 5: Solve for x
    x = 2,568,124,608,031.26/2,197,967.40
  6. Step 6: Final answer
    x = 1,168,408.87

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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.