Home / 4,985,090.41-6,879,454.75-2,780,092.43

Finding the Fourth Proportional to 4,985,090.41, 6,879,454.75 and 2,780,092.43

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Solution

The fourth proportional to 4,985,090.41, 6,879,454.75 and 2,780,092.43 is: 3,836,544.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,090.41 : 6,879,454.75 = 2,780,092.43 : x
  2. Step 2: Convert to fraction form
    4,985,090.41/6,879,454.75 = 2,780,092.43/x
  3. Step 3: Cross multiply
    4,985,090.41x = 6,879,454.75 × 2,780,092.43
  4. Step 4: Simplify right side
    4,985,090.41x = 19,125,520,079,407.80
  5. Step 5: Solve for x
    x = 19,125,520,079,407.80/4,985,090.41
  6. Step 6: Final answer
    x = 3,836,544.28

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1.5x scale

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.