Home / 2,180,292.52-3,008,803.70-1,213,651.18

Finding the Fourth Proportional to 2,180,292.52, 3,008,803.70 and 1,213,651.18

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Solution

The fourth proportional to 2,180,292.52, 3,008,803.70 and 1,213,651.18 is: 1,674,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,292.52 : 3,008,803.70 = 1,213,651.18 : x
  2. Step 2: Convert to fraction form
    2,180,292.52/3,008,803.70 = 1,213,651.18/x
  3. Step 3: Cross multiply
    2,180,292.52x = 3,008,803.70 × 1,213,651.18
  4. Step 4: Simplify right side
    2,180,292.52x = 3,651,638,160,893.37
  5. Step 5: Solve for x
    x = 3,651,638,160,893.37/2,180,292.52
  6. Step 6: Final answer
    x = 1,674,838.64

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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.