Home / 2,938,538.29-4,055,142.36-1,649,355.25

Finding the Fourth Proportional to 2,938,538.29, 4,055,142.36 and 1,649,355.25

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Solution

The fourth proportional to 2,938,538.29, 4,055,142.36 and 1,649,355.25 is: 2,276,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,538.29 : 4,055,142.36 = 1,649,355.25 : x
  2. Step 2: Convert to fraction form
    2,938,538.29/4,055,142.36 = 1,649,355.25/x
  3. Step 3: Cross multiply
    2,938,538.29x = 4,055,142.36 × 1,649,355.25
  4. Step 4: Simplify right side
    2,938,538.29x = 6,688,370,340,963.39
  5. Step 5: Solve for x
    x = 6,688,370,340,963.39/2,938,538.29
  6. Step 6: Final answer
    x = 2,276,087.52

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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.