Home / 3,918,999.60-5,407,846.20-2,199,726

Finding the Fourth Proportional to 3,918,999.60, 5,407,846.20 and 2,199,726

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Solution

The fourth proportional to 3,918,999.60, 5,407,846.20 and 2,199,726 is: 3,035,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,999.60 : 5,407,846.20 = 2,199,726 : x
  2. Step 2: Convert to fraction form
    3,918,999.60/5,407,846.20 = 2,199,726/x
  3. Step 3: Cross multiply
    3,918,999.60x = 5,407,846.20 × 2,199,726
  4. Step 4: Simplify right side
    3,918,999.60x = 11,895,779,890,141.20
  5. Step 5: Solve for x
    x = 11,895,779,890,141.20/3,918,999.60
  6. Step 6: Final answer
    x = 3,035,412.38

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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.