Home / 2,180,292.42-3,008,803.56-1,213,651.05

Finding the Fourth Proportional to 2,180,292.42, 3,008,803.56 and 1,213,651.05

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Solution

The fourth proportional to 2,180,292.42, 3,008,803.56 and 1,213,651.05 is: 1,674,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,292.42 : 3,008,803.56 = 1,213,651.05 : x
  2. Step 2: Convert to fraction form
    2,180,292.42/3,008,803.56 = 1,213,651.05/x
  3. Step 3: Cross multiply
    2,180,292.42x = 3,008,803.56 × 1,213,651.05
  4. Step 4: Simplify right side
    2,180,292.42x = 3,651,637,599,837.74
  5. Step 5: Solve for x
    x = 3,651,637,599,837.74/2,180,292.42
  6. Step 6: Final answer
    x = 1,674,838.46

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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.