Home / 5,123,818.54-7,686,124.62-1,712,116.96

Finding the Fourth Proportional to 5,123,818.54, 7,686,124.62 and 1,712,116.96

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Solution

The fourth proportional to 5,123,818.54, 7,686,124.62 and 1,712,116.96 is: 2,568,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,818.54 : 7,686,124.62 = 1,712,116.96 : x
  2. Step 2: Convert to fraction form
    5,123,818.54/7,686,124.62 = 1,712,116.96/x
  3. Step 3: Cross multiply
    5,123,818.54x = 7,686,124.62 × 1,712,116.96
  4. Step 4: Simplify right side
    5,123,818.54x = 13,159,544,318,575.55
  5. Step 5: Solve for x
    x = 13,159,544,318,575.55/5,123,818.54
  6. Step 6: Final answer
    x = 2,568,308.03

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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.