Home / 3,678,619.60-5,518,162.64-1,154,374.48

Finding the Fourth Proportional to 3,678,619.60, 5,518,162.64 and 1,154,374.48

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Solution

The fourth proportional to 3,678,619.60, 5,518,162.64 and 1,154,374.48 is: 1,731,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,619.60 : 5,518,162.64 = 1,154,374.48 : x
  2. Step 2: Convert to fraction form
    3,678,619.60/5,518,162.64 = 1,154,374.48/x
  3. Step 3: Cross multiply
    3,678,619.60x = 5,518,162.64 × 1,154,374.48
  4. Step 4: Simplify right side
    3,678,619.60x = 6,370,026,128,105.43
  5. Step 5: Solve for x
    x = 6,370,026,128,105.43/3,678,619.60
  6. Step 6: Final answer
    x = 1,731,634.91

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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.