Home / 1,672,228.22-2,307,705.36-947,226.47

Finding the Fourth Proportional to 1,672,228.22, 2,307,705.36 and 947,226.47

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Solution

The fourth proportional to 1,672,228.22, 2,307,705.36 and 947,226.47 is: 1,307,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,228.22 : 2,307,705.36 = 947,226.47 : x
  2. Step 2: Convert to fraction form
    1,672,228.22/2,307,705.36 = 947,226.47/x
  3. Step 3: Cross multiply
    1,672,228.22x = 2,307,705.36 × 947,226.47
  4. Step 4: Simplify right side
    1,672,228.22x = 2,185,919,601,952.88
  5. Step 5: Solve for x
    x = 2,185,919,601,952.88/1,672,228.22
  6. Step 6: Final answer
    x = 1,307,189.76

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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.