Home / 3,279,390.02-4,908,995.93-2,139,698.18

Finding the Fourth Proportional to 3,279,390.02, 4,908,995.93 and 2,139,698.18

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Solution

The fourth proportional to 3,279,390.02, 4,908,995.93 and 2,139,698.18 is: 3,202,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,390.02 : 4,908,995.93 = 2,139,698.18 : x
  2. Step 2: Convert to fraction form
    3,279,390.02/4,908,995.93 = 2,139,698.18/x
  3. Step 3: Cross multiply
    3,279,390.02x = 4,908,995.93 × 2,139,698.18
  4. Step 4: Simplify right side
    3,279,390.02x = 10,503,769,674,670.14
  5. Step 5: Solve for x
    x = 10,503,769,674,670.14/3,279,390.02
  6. Step 6: Final answer
    x = 3,202,964.46

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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.