Home / 3,440,705.34-4,748,178.84-1,912,812.47

Finding the Fourth Proportional to 3,440,705.34, 4,748,178.84 and 1,912,812.47

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Solution

The fourth proportional to 3,440,705.34, 4,748,178.84 and 1,912,812.47 is: 2,639,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,705.34 : 4,748,178.84 = 1,912,812.47 : x
  2. Step 2: Convert to fraction form
    3,440,705.34/4,748,178.84 = 1,912,812.47/x
  3. Step 3: Cross multiply
    3,440,705.34x = 4,748,178.84 × 1,912,812.47
  4. Step 4: Simplify right side
    3,440,705.34x = 9,082,375,692,593.43
  5. Step 5: Solve for x
    x = 9,082,375,692,593.43/3,440,705.34
  6. Step 6: Final answer
    x = 2,639,684.25

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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.