Home / 3,391,984-5,090,308.80-1,397,440

Finding the Fourth Proportional to 3,391,984, 5,090,308.80 and 1,397,440

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Solution

The fourth proportional to 3,391,984, 5,090,308.80 and 1,397,440 is: 2,097,121.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,984 : 5,090,308.80 = 1,397,440 : x
  2. Step 2: Convert to fraction form
    3,391,984/5,090,308.80 = 1,397,440/x
  3. Step 3: Cross multiply
    3,391,984x = 5,090,308.80 × 1,397,440
  4. Step 4: Simplify right side
    3,391,984x = 7,113,401,129,472
  5. Step 5: Solve for x
    x = 7,113,401,129,472/3,391,984
  6. Step 6: Final answer
    x = 2,097,121.07

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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.