Home / 1,982,880.05-2,974,330.34-902,637.15

Finding the Fourth Proportional to 1,982,880.05, 2,974,330.34 and 902,637.15

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Solution

The fourth proportional to 1,982,880.05, 2,974,330.34 and 902,637.15 is: 1,353,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,880.05 : 2,974,330.34 = 902,637.15 : x
  2. Step 2: Convert to fraction form
    1,982,880.05/2,974,330.34 = 902,637.15/x
  3. Step 3: Cross multiply
    1,982,880.05x = 2,974,330.34 × 902,637.15
  4. Step 4: Simplify right side
    1,982,880.05x = 2,684,741,062,666.50
  5. Step 5: Solve for x
    x = 2,684,741,062,666.50/1,982,880.05
  6. Step 6: Final answer
    x = 1,353,960.40

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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.