Home / 5,187,568.96-7,158,817.68-3,012,646.72

Finding the Fourth Proportional to 5,187,568.96, 7,158,817.68 and 3,012,646.72

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Solution

The fourth proportional to 5,187,568.96, 7,158,817.68 and 3,012,646.72 is: 4,157,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,568.96 : 7,158,817.68 = 3,012,646.72 : x
  2. Step 2: Convert to fraction form
    5,187,568.96/7,158,817.68 = 3,012,646.72/x
  3. Step 3: Cross multiply
    5,187,568.96x = 7,158,817.68 × 3,012,646.72
  4. Step 4: Simplify right side
    5,187,568.96x = 21,566,988,602,730.01
  5. Step 5: Solve for x
    x = 21,566,988,602,730.01/5,187,568.96
  6. Step 6: Final answer
    x = 4,157,436.51

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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.