Home / 2,907,889.66-4,012,694.40-1,618,696.90

Finding the Fourth Proportional to 2,907,889.66, 4,012,694.40 and 1,618,696.90

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Solution

The fourth proportional to 2,907,889.66, 4,012,694.40 and 1,618,696.90 is: 2,233,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,889.66 : 4,012,694.40 = 1,618,696.90 : x
  2. Step 2: Convert to fraction form
    2,907,889.66/4,012,694.40 = 1,618,696.90/x
  3. Step 3: Cross multiply
    2,907,889.66x = 4,012,694.40 × 1,618,696.90
  4. Step 4: Simplify right side
    2,907,889.66x = 6,495,335,985,927.36
  5. Step 5: Solve for x
    x = 6,495,335,985,927.36/2,907,889.66
  6. Step 6: Final answer
    x = 2,233,694.10

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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.