Home / 1,927,059.31-2,658,139.27-1,239,627.46

Finding the Fourth Proportional to 1,927,059.31, 2,658,139.27 and 1,239,627.46

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Solution

The fourth proportional to 1,927,059.31, 2,658,139.27 and 1,239,627.46 is: 1,709,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,059.31 : 2,658,139.27 = 1,239,627.46 : x
  2. Step 2: Convert to fraction form
    1,927,059.31/2,658,139.27 = 1,239,627.46/x
  3. Step 3: Cross multiply
    1,927,059.31x = 2,658,139.27 × 1,239,627.46
  4. Step 4: Simplify right side
    1,927,059.31x = 3,295,102,431,596.35
  5. Step 5: Solve for x
    x = 3,295,102,431,596.35/1,927,059.31
  6. Step 6: Final answer
    x = 1,709,912.31

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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.