Home / 2,180,298.48-3,008,811.90-1,213,657.11

Finding the Fourth Proportional to 2,180,298.48, 3,008,811.90 and 1,213,657.11

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Solution

The fourth proportional to 2,180,298.48, 3,008,811.90 and 1,213,657.11 is: 1,674,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,298.48 : 3,008,811.90 = 1,213,657.11 : x
  2. Step 2: Convert to fraction form
    2,180,298.48/3,008,811.90 = 1,213,657.11/x
  3. Step 3: Cross multiply
    2,180,298.48x = 3,008,811.90 × 1,213,657.11
  4. Step 4: Simplify right side
    2,180,298.48x = 3,651,665,955,087.61
  5. Step 5: Solve for x
    x = 3,651,665,955,087.61/2,180,298.48
  6. Step 6: Final answer
    x = 1,674,846.81

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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.