Home / 2,197,923.40-3,297,273.90-778,803.40

Finding the Fourth Proportional to 2,197,923.40, 3,297,273.90 and 778,803.40

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Solution

The fourth proportional to 2,197,923.40, 3,297,273.90 and 778,803.40 is: 1,168,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,923.40 : 3,297,273.90 = 778,803.40 : x
  2. Step 2: Convert to fraction form
    2,197,923.40/3,297,273.90 = 778,803.40/x
  3. Step 3: Cross multiply
    2,197,923.40x = 3,297,273.90 × 778,803.40
  4. Step 4: Simplify right side
    2,197,923.40x = 2,567,928,124,051.26
  5. Step 5: Solve for x
    x = 2,567,928,124,051.26/2,197,923.40
  6. Step 6: Final answer
    x = 1,168,342.87

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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.