Home / 4,118,648.80-6,178,556.40-1,278,464.80

Finding the Fourth Proportional to 4,118,648.80, 6,178,556.40 and 1,278,464.80

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Solution

The fourth proportional to 4,118,648.80, 6,178,556.40 and 1,278,464.80 is: 1,917,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,648.80 : 6,178,556.40 = 1,278,464.80 : x
  2. Step 2: Convert to fraction form
    4,118,648.80/6,178,556.40 = 1,278,464.80/x
  3. Step 3: Cross multiply
    4,118,648.80x = 6,178,556.40 × 1,278,464.80
  4. Step 4: Simplify right side
    4,118,648.80x = 7,899,066,872,214.72
  5. Step 5: Solve for x
    x = 7,899,066,872,214.72/4,118,648.80
  6. Step 6: Final answer
    x = 1,917,878.23

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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.