Home / 2,185,509.57-3,017,906.60-1,371,113.25

Finding the Fourth Proportional to 2,185,509.57, 3,017,906.60 and 1,371,113.25

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Solution

The fourth proportional to 2,185,509.57, 3,017,906.60 and 1,371,113.25 is: 1,893,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,509.57 : 3,017,906.60 = 1,371,113.25 : x
  2. Step 2: Convert to fraction form
    2,185,509.57/3,017,906.60 = 1,371,113.25/x
  3. Step 3: Cross multiply
    2,185,509.57x = 3,017,906.60 × 1,371,113.25
  4. Step 4: Simplify right side
    2,185,509.57x = 4,137,891,719,666.88
  5. Step 5: Solve for x
    x = 4,137,891,719,666.88/2,185,509.57
  6. Step 6: Final answer
    x = 1,893,330.41

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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.