Home / 2,818,688.58-4,228,041.06-1,199,040.12

Finding the Fourth Proportional to 2,818,688.58, 4,228,041.06 and 1,199,040.12

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Solution

The fourth proportional to 2,818,688.58, 4,228,041.06 and 1,199,040.12 is: 1,798,563.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,688.58 : 4,228,041.06 = 1,199,040.12 : x
  2. Step 2: Convert to fraction form
    2,818,688.58/4,228,041.06 = 1,199,040.12/x
  3. Step 3: Cross multiply
    2,818,688.58x = 4,228,041.06 × 1,199,040.12
  4. Step 4: Simplify right side
    2,818,688.58x = 5,069,590,859,947.33
  5. Step 5: Solve for x
    x = 5,069,590,859,947.33/2,818,688.58
  6. Step 6: Final answer
    x = 1,798,563.66

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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.