Home / 2,907,731.39-4,012,602.71-1,820,602.31

Finding the Fourth Proportional to 2,907,731.39, 4,012,602.71 and 1,820,602.31

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Solution

The fourth proportional to 2,907,731.39, 4,012,602.71 and 1,820,602.31 is: 2,512,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,731.39 : 4,012,602.71 = 1,820,602.31 : x
  2. Step 2: Convert to fraction form
    2,907,731.39/4,012,602.71 = 1,820,602.31/x
  3. Step 3: Cross multiply
    2,907,731.39x = 4,012,602.71 × 1,820,602.31
  4. Step 4: Simplify right side
    2,907,731.39x = 7,305,353,733,772.24
  5. Step 5: Solve for x
    x = 7,305,353,733,772.24/2,907,731.39
  6. Step 6: Final answer
    x = 2,512,389.48

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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.