Home / 1,954,765.10-2,695,975.89-1,375,904.31

Finding the Fourth Proportional to 1,954,765.10, 2,695,975.89 and 1,375,904.31

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Solution

The fourth proportional to 1,954,765.10, 2,695,975.89 and 1,375,904.31 is: 1,897,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,765.10 : 2,695,975.89 = 1,375,904.31 : x
  2. Step 2: Convert to fraction form
    1,954,765.10/2,695,975.89 = 1,375,904.31/x
  3. Step 3: Cross multiply
    1,954,765.10x = 2,695,975.89 × 1,375,904.31
  4. Step 4: Simplify right side
    1,954,765.10x = 3,709,404,831,437.53
  5. Step 5: Solve for x
    x = 3,709,404,831,437.53/1,954,765.10
  6. Step 6: Final answer
    x = 1,897,621.78

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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.