Home / 2,142,455.10-3,213,700.83-545,019.54

Finding the Fourth Proportional to 2,142,455.10, 3,213,700.83 and 545,019.54

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Solution

The fourth proportional to 2,142,455.10, 3,213,700.83 and 545,019.54 is: 817,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,455.10 : 3,213,700.83 = 545,019.54 : x
  2. Step 2: Convert to fraction form
    2,142,455.10/3,213,700.83 = 545,019.54/x
  3. Step 3: Cross multiply
    2,142,455.10x = 3,213,700.83 × 545,019.54
  4. Step 4: Simplify right side
    2,142,455.10x = 1,751,529,748,064.22
  5. Step 5: Solve for x
    x = 1,751,529,748,064.22/2,142,455.10
  6. Step 6: Final answer
    x = 817,533.93

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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.