Home / 2,878,201.16-3,972,384.34-1,671,677

Finding the Fourth Proportional to 2,878,201.16, 3,972,384.34 and 1,671,677

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Solution

The fourth proportional to 2,878,201.16, 3,972,384.34 and 1,671,677 is: 2,307,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,201.16 : 3,972,384.34 = 1,671,677 : x
  2. Step 2: Convert to fraction form
    2,878,201.16/3,972,384.34 = 1,671,677/x
  3. Step 3: Cross multiply
    2,878,201.16x = 3,972,384.34 × 1,671,677
  4. Step 4: Simplify right side
    2,878,201.16x = 6,640,543,536,338.18
  5. Step 5: Solve for x
    x = 6,640,543,536,338.18/2,878,201.16
  6. Step 6: Final answer
    x = 2,307,185.35

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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.