Home / 1,938,500.31-2,907,751.29-872,296.92

Finding the Fourth Proportional to 1,938,500.31, 2,907,751.29 and 872,296.92

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Solution

The fourth proportional to 1,938,500.31, 2,907,751.29 and 872,296.92 is: 1,308,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,500.31 : 2,907,751.29 = 872,296.92 : x
  2. Step 2: Convert to fraction form
    1,938,500.31/2,907,751.29 = 872,296.92/x
  3. Step 3: Cross multiply
    1,938,500.31x = 2,907,751.29 × 872,296.92
  4. Step 4: Simplify right side
    1,938,500.31x = 2,536,422,494,393.03
  5. Step 5: Solve for x
    x = 2,536,422,494,393.03/1,938,500.31
  6. Step 6: Final answer
    x = 1,308,445.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.