Home / 2,685,374.88-3,705,708-1,538,657.76

Finding the Fourth Proportional to 2,685,374.88, 3,705,708 and 1,538,657.76

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Solution

The fourth proportional to 2,685,374.88, 3,705,708 and 1,538,657.76 is: 2,123,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,374.88 : 3,705,708 = 1,538,657.76 : x
  2. Step 2: Convert to fraction form
    2,685,374.88/3,705,708 = 1,538,657.76/x
  3. Step 3: Cross multiply
    2,685,374.88x = 3,705,708 × 1,538,657.76
  4. Step 4: Simplify right side
    2,685,374.88x = 5,701,816,370,494.08
  5. Step 5: Solve for x
    x = 5,701,816,370,494.08/2,685,374.88
  6. Step 6: Final answer
    x = 2,123,285.06

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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.