Home / 3,105,603.60-4,285,829.04-1,691,221.32

Finding the Fourth Proportional to 3,105,603.60, 4,285,829.04 and 1,691,221.32

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Solution

The fourth proportional to 3,105,603.60, 4,285,829.04 and 1,691,221.32 is: 2,333,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,603.60 : 4,285,829.04 = 1,691,221.32 : x
  2. Step 2: Convert to fraction form
    3,105,603.60/4,285,829.04 = 1,691,221.32/x
  3. Step 3: Cross multiply
    3,105,603.60x = 4,285,829.04 × 1,691,221.32
  4. Step 4: Simplify right side
    3,105,603.60x = 7,248,285,446,323.13
  5. Step 5: Solve for x
    x = 7,248,285,446,323.13/3,105,603.60
  6. Step 6: Final answer
    x = 2,333,937.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.