Home / 3,513,515.40-5,270,360.58-989,153.64

Finding the Fourth Proportional to 3,513,515.40, 5,270,360.58 and 989,153.64

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Solution

The fourth proportional to 3,513,515.40, 5,270,360.58 and 989,153.64 is: 1,483,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513,515.40 : 5,270,360.58 = 989,153.64 : x
  2. Step 2: Convert to fraction form
    3,513,515.40/5,270,360.58 = 989,153.64/x
  3. Step 3: Cross multiply
    3,513,515.40x = 5,270,360.58 × 989,153.64
  4. Step 4: Simplify right side
    3,513,515.40x = 5,213,196,351,819.51
  5. Step 5: Solve for x
    x = 5,213,196,351,819.51/3,513,515.40
  6. Step 6: Final answer
    x = 1,483,755.09

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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.