Home / 1,938,497.31-2,907,746.78-872,293.91

Finding the Fourth Proportional to 1,938,497.31, 2,907,746.78 and 872,293.91

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Solution

The fourth proportional to 1,938,497.31, 2,907,746.78 and 872,293.91 is: 1,308,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,497.31 : 2,907,746.78 = 872,293.91 : x
  2. Step 2: Convert to fraction form
    1,938,497.31/2,907,746.78 = 872,293.91/x
  3. Step 3: Cross multiply
    1,938,497.31x = 2,907,746.78 × 872,293.91
  4. Step 4: Simplify right side
    1,938,497.31x = 2,536,409,789,115.91
  5. Step 5: Solve for x
    x = 2,536,409,789,115.91/1,938,497.31
  6. Step 6: Final answer
    x = 1,308,441.22

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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.