Home / 2,142,455.60-3,213,701.58-545,020.04

Finding the Fourth Proportional to 2,142,455.60, 3,213,701.58 and 545,020.04

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Solution

The fourth proportional to 2,142,455.60, 3,213,701.58 and 545,020.04 is: 817,534.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,455.60 : 3,213,701.58 = 545,020.04 : x
  2. Step 2: Convert to fraction form
    2,142,455.60/3,213,701.58 = 545,020.04/x
  3. Step 3: Cross multiply
    2,142,455.60x = 3,213,701.58 × 545,020.04
  4. Step 4: Simplify right side
    2,142,455.60x = 1,751,531,763,679.66
  5. Step 5: Solve for x
    x = 1,751,531,763,679.66/2,142,455.60
  6. Step 6: Final answer
    x = 817,534.68

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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.