Home / 2,312,736.42-3,191,537.64-1,280,222.37

Finding the Fourth Proportional to 2,312,736.42, 3,191,537.64 and 1,280,222.37

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Solution

The fourth proportional to 2,312,736.42, 3,191,537.64 and 1,280,222.37 is: 1,766,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,736.42 : 3,191,537.64 = 1,280,222.37 : x
  2. Step 2: Convert to fraction form
    2,312,736.42/3,191,537.64 = 1,280,222.37/x
  3. Step 3: Cross multiply
    2,312,736.42x = 3,191,537.64 × 1,280,222.37
  4. Step 4: Simplify right side
    2,312,736.42x = 4,085,877,881,425.01
  5. Step 5: Solve for x
    x = 4,085,877,881,425.01/2,312,736.42
  6. Step 6: Final answer
    x = 1,766,685.49

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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.