Home / 2,990,010.67-4,125,949.88-1,665,333.33

Finding the Fourth Proportional to 2,990,010.67, 4,125,949.88 and 1,665,333.33

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Solution

The fourth proportional to 2,990,010.67, 4,125,949.88 and 1,665,333.33 is: 2,298,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,010.67 : 4,125,949.88 = 1,665,333.33 : x
  2. Step 2: Convert to fraction form
    2,990,010.67/4,125,949.88 = 1,665,333.33/x
  3. Step 3: Cross multiply
    2,990,010.67x = 4,125,949.88 × 1,665,333.33
  4. Step 4: Simplify right side
    2,990,010.67x = 6,871,081,872,189.77
  5. Step 5: Solve for x
    x = 6,871,081,872,189.77/2,990,010.67
  6. Step 6: Final answer
    x = 2,298,012.49

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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.