Home / 2,232,139.14-3,080,336.85-1,213,543.89

Finding the Fourth Proportional to 2,232,139.14, 3,080,336.85 and 1,213,543.89

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Solution

The fourth proportional to 2,232,139.14, 3,080,336.85 and 1,213,543.89 is: 1,674,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232,139.14 : 3,080,336.85 = 1,213,543.89 : x
  2. Step 2: Convert to fraction form
    2,232,139.14/3,080,336.85 = 1,213,543.89/x
  3. Step 3: Cross multiply
    2,232,139.14x = 3,080,336.85 × 1,213,543.89
  4. Step 4: Simplify right side
    2,232,139.14x = 3,738,123,963,459.35
  5. Step 5: Solve for x
    x = 3,738,123,963,459.35/2,232,139.14
  6. Step 6: Final answer
    x = 1,674,682.32

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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.