Home / 2,197,980.90-3,297,360.15-778,860.90

Finding the Fourth Proportional to 2,197,980.90, 3,297,360.15 and 778,860.90

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Solution

The fourth proportional to 2,197,980.90, 3,297,360.15 and 778,860.90 is: 1,168,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,980.90 : 3,297,360.15 = 778,860.90 : x
  2. Step 2: Convert to fraction form
    2,197,980.90/3,297,360.15 = 778,860.90/x
  3. Step 3: Cross multiply
    2,197,980.90x = 3,297,360.15 × 778,860.90
  4. Step 4: Simplify right side
    2,197,980.90x = 2,568,184,894,053.13
  5. Step 5: Solve for x
    x = 2,568,184,894,053.13/2,197,980.90
  6. Step 6: Final answer
    x = 1,168,429.12

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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.