Home / 3,938,031-5,908,042.80-1,098,143.46

Finding the Fourth Proportional to 3,938,031, 5,908,042.80 and 1,098,143.46

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Solution

The fourth proportional to 3,938,031, 5,908,042.80 and 1,098,143.46 is: 1,647,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,031 : 5,908,042.80 = 1,098,143.46 : x
  2. Step 2: Convert to fraction form
    3,938,031/5,908,042.80 = 1,098,143.46/x
  3. Step 3: Cross multiply
    3,938,031x = 5,908,042.80 × 1,098,143.46
  4. Step 4: Simplify right side
    3,938,031x = 6,487,878,562,220.09
  5. Step 5: Solve for x
    x = 6,487,878,562,220.09/3,938,031
  6. Step 6: Final answer
    x = 1,647,493.01

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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.