Home / 3,478,505.40-5,217,758.10-1,777,894.20

Finding the Fourth Proportional to 3,478,505.40, 5,217,758.10 and 1,777,894.20

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Solution

The fourth proportional to 3,478,505.40, 5,217,758.10 and 1,777,894.20 is: 2,666,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,505.40 : 5,217,758.10 = 1,777,894.20 : x
  2. Step 2: Convert to fraction form
    3,478,505.40/5,217,758.10 = 1,777,894.20/x
  3. Step 3: Cross multiply
    3,478,505.40x = 5,217,758.10 × 1,777,894.20
  4. Step 4: Simplify right side
    3,478,505.40x = 9,276,621,862,993.02
  5. Step 5: Solve for x
    x = 9,276,621,862,993.02/3,478,505.40
  6. Step 6: Final answer
    x = 2,666,841.30

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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.