Home / 3,538,011.32-4,882,401.60-1,989,274.40

Finding the Fourth Proportional to 3,538,011.32, 4,882,401.60 and 1,989,274.40

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Solution

The fourth proportional to 3,538,011.32, 4,882,401.60 and 1,989,274.40 is: 2,745,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,011.32 : 4,882,401.60 = 1,989,274.40 : x
  2. Step 2: Convert to fraction form
    3,538,011.32/4,882,401.60 = 1,989,274.40/x
  3. Step 3: Cross multiply
    3,538,011.32x = 4,882,401.60 × 1,989,274.40
  4. Step 4: Simplify right side
    3,538,011.32x = 9,712,436,513,399.04
  5. Step 5: Solve for x
    x = 9,712,436,513,399.04/3,538,011.32
  6. Step 6: Final answer
    x = 2,745,168.30

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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.