Home / 1,221,982.10-1,832,973.15-1,133,408.60

Finding the Fourth Proportional to 1,221,982.10, 1,832,973.15 and 1,133,408.60

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Solution

The fourth proportional to 1,221,982.10, 1,832,973.15 and 1,133,408.60 is: 1,700,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,982.10 : 1,832,973.15 = 1,133,408.60 : x
  2. Step 2: Convert to fraction form
    1,221,982.10/1,832,973.15 = 1,133,408.60/x
  3. Step 3: Cross multiply
    1,221,982.10x = 1,832,973.15 × 1,133,408.60
  4. Step 4: Simplify right side
    1,221,982.10x = 2,077,507,531,779.09
  5. Step 5: Solve for x
    x = 2,077,507,531,779.09/1,221,982.10
  6. Step 6: Final answer
    x = 1,700,112.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.