Home / 3,212,140.71-4,818,543.29-1,082,390.90

Finding the Fourth Proportional to 3,212,140.71, 4,818,543.29 and 1,082,390.90

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Solution

The fourth proportional to 3,212,140.71, 4,818,543.29 and 1,082,390.90 is: 1,623,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,140.71 : 4,818,543.29 = 1,082,390.90 : x
  2. Step 2: Convert to fraction form
    3,212,140.71/4,818,543.29 = 1,082,390.90/x
  3. Step 3: Cross multiply
    3,212,140.71x = 4,818,543.29 × 1,082,390.90
  4. Step 4: Simplify right side
    3,212,140.71x = 5,215,547,410,010.66
  5. Step 5: Solve for x
    x = 5,215,547,410,010.66/3,212,140.71
  6. Step 6: Final answer
    x = 1,623,698.30

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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.