Home / 1,672,647.18-2,309,208.03-1,101,345.90

Finding the Fourth Proportional to 1,672,647.18, 2,309,208.03 and 1,101,345.90

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Solution

The fourth proportional to 1,672,647.18, 2,309,208.03 and 1,101,345.90 is: 1,520,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,647.18 : 2,309,208.03 = 1,101,345.90 : x
  2. Step 2: Convert to fraction form
    1,672,647.18/2,309,208.03 = 1,101,345.90/x
  3. Step 3: Cross multiply
    1,672,647.18x = 2,309,208.03 × 1,101,345.90
  4. Step 4: Simplify right side
    1,672,647.18x = 2,543,236,796,087.58
  5. Step 5: Solve for x
    x = 2,543,236,796,087.58/1,672,647.18
  6. Step 6: Final answer
    x = 1,520,486.11

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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.