Home / 3,435,164.40-5,155,079.40-1,918,844.40

Finding the Fourth Proportional to 3,435,164.40, 5,155,079.40 and 1,918,844.40

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Solution

The fourth proportional to 3,435,164.40, 5,155,079.40 and 1,918,844.40 is: 2,879,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,164.40 : 5,155,079.40 = 1,918,844.40 : x
  2. Step 2: Convert to fraction form
    3,435,164.40/5,155,079.40 = 1,918,844.40/x
  3. Step 3: Cross multiply
    3,435,164.40x = 5,155,079.40 × 1,918,844.40
  4. Step 4: Simplify right side
    3,435,164.40x = 9,891,795,238,245.36
  5. Step 5: Solve for x
    x = 9,891,795,238,245.36/3,435,164.40
  6. Step 6: Final answer
    x = 2,879,569.68

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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.