Home / 2,166,277.22-2,989,555.96-1,199,407.48

Finding the Fourth Proportional to 2,166,277.22, 2,989,555.96 and 1,199,407.48

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Solution

The fourth proportional to 2,166,277.22, 2,989,555.96 and 1,199,407.48 is: 1,655,234.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,277.22 : 2,989,555.96 = 1,199,407.48 : x
  2. Step 2: Convert to fraction form
    2,166,277.22/2,989,555.96 = 1,199,407.48/x
  3. Step 3: Cross multiply
    2,166,277.22x = 2,989,555.96 × 1,199,407.48
  4. Step 4: Simplify right side
    2,166,277.22x = 3,585,695,769,830.17
  5. Step 5: Solve for x
    x = 3,585,695,769,830.17/2,166,277.22
  6. Step 6: Final answer
    x = 1,655,234.03

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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.