Home / 1,938,488.44-2,907,733.47-872,285.03

Finding the Fourth Proportional to 1,938,488.44, 2,907,733.47 and 872,285.03

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Solution

The fourth proportional to 1,938,488.44, 2,907,733.47 and 872,285.03 is: 1,308,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,488.44 : 2,907,733.47 = 872,285.03 : x
  2. Step 2: Convert to fraction form
    1,938,488.44/2,907,733.47 = 872,285.03/x
  3. Step 3: Cross multiply
    1,938,488.44x = 2,907,733.47 × 872,285.03
  4. Step 4: Simplify right side
    1,938,488.44x = 2,536,372,377,110.95
  5. Step 5: Solve for x
    x = 2,536,372,377,110.95/1,938,488.44
  6. Step 6: Final answer
    x = 1,308,427.91

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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.