Home / 2,998,464.80-4,137,979.25-1,640,337.80

Finding the Fourth Proportional to 2,998,464.80, 4,137,979.25 and 1,640,337.80

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Solution

The fourth proportional to 2,998,464.80, 4,137,979.25 and 1,640,337.80 is: 2,263,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,464.80 : 4,137,979.25 = 1,640,337.80 : x
  2. Step 2: Convert to fraction form
    2,998,464.80/4,137,979.25 = 1,640,337.80/x
  3. Step 3: Cross multiply
    2,998,464.80x = 4,137,979.25 × 1,640,337.80
  4. Step 4: Simplify right side
    2,998,464.80x = 6,787,683,779,390.65
  5. Step 5: Solve for x
    x = 6,787,683,779,390.65/2,998,464.80
  6. Step 6: Final answer
    x = 2,263,719.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.