Home / 3,538,881.60-5,307,285.60-1,645,166.40

Finding the Fourth Proportional to 3,538,881.60, 5,307,285.60 and 1,645,166.40

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Solution

The fourth proportional to 3,538,881.60, 5,307,285.60 and 1,645,166.40 is: 2,467,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,881.60 : 5,307,285.60 = 1,645,166.40 : x
  2. Step 2: Convert to fraction form
    3,538,881.60/5,307,285.60 = 1,645,166.40/x
  3. Step 3: Cross multiply
    3,538,881.60x = 5,307,285.60 × 1,645,166.40
  4. Step 4: Simplify right side
    3,538,881.60x = 8,731,367,944,323.84
  5. Step 5: Solve for x
    x = 8,731,367,944,323.84/3,538,881.60
  6. Step 6: Final answer
    x = 2,467,267.61

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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.