Home / 3,129,935.14-4,696,647.15-1,690,589.50

Finding the Fourth Proportional to 3,129,935.14, 4,696,647.15 and 1,690,589.50

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Solution

The fourth proportional to 3,129,935.14, 4,696,647.15 and 1,690,589.50 is: 2,536,826.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,935.14 : 4,696,647.15 = 1,690,589.50 : x
  2. Step 2: Convert to fraction form
    3,129,935.14/4,696,647.15 = 1,690,589.50/x
  3. Step 3: Cross multiply
    3,129,935.14x = 4,696,647.15 × 1,690,589.50
  4. Step 4: Simplify right side
    3,129,935.14x = 7,940,102,356,994.93
  5. Step 5: Solve for x
    x = 7,940,102,356,994.93/3,129,935.14
  6. Step 6: Final answer
    x = 2,536,826.48

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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.