Home / 3,111,211.15-4,293,456.05-1,804,727.42

Finding the Fourth Proportional to 3,111,211.15, 4,293,456.05 and 1,804,727.42

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Solution

The fourth proportional to 3,111,211.15, 4,293,456.05 and 1,804,727.42 is: 2,490,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,211.15 : 4,293,456.05 = 1,804,727.42 : x
  2. Step 2: Convert to fraction form
    3,111,211.15/4,293,456.05 = 1,804,727.42/x
  3. Step 3: Cross multiply
    3,111,211.15x = 4,293,456.05 × 1,804,727.42
  4. Step 4: Simplify right side
    3,111,211.15x = 7,748,517,866,144.44
  5. Step 5: Solve for x
    x = 7,748,517,866,144.44/3,111,211.15
  6. Step 6: Final answer
    x = 2,490,514.94

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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.