Home / 3,938,761-5,432,790.90-2,411,622.28

Finding the Fourth Proportional to 3,938,761, 5,432,790.90 and 2,411,622.28

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Solution

The fourth proportional to 3,938,761, 5,432,790.90 and 2,411,622.28 is: 3,326,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,761 : 5,432,790.90 = 2,411,622.28 : x
  2. Step 2: Convert to fraction form
    3,938,761/5,432,790.90 = 2,411,622.28/x
  3. Step 3: Cross multiply
    3,938,761x = 5,432,790.90 × 2,411,622.28
  4. Step 4: Simplify right side
    3,938,761x = 13,101,839,577,021.25
  5. Step 5: Solve for x
    x = 13,101,839,577,021.25/3,938,761
  6. Step 6: Final answer
    x = 3,326,386.03

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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.