Home / 2,139,056.87-3,206,426.31-1,340,898.92

Finding the Fourth Proportional to 2,139,056.87, 3,206,426.31 and 1,340,898.92

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Solution

The fourth proportional to 2,139,056.87, 3,206,426.31 and 1,340,898.92 is: 2,009,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,056.87 : 3,206,426.31 = 1,340,898.92 : x
  2. Step 2: Convert to fraction form
    2,139,056.87/3,206,426.31 = 1,340,898.92/x
  3. Step 3: Cross multiply
    2,139,056.87x = 3,206,426.31 × 1,340,898.92
  4. Step 4: Simplify right side
    2,139,056.87x = 4,299,493,560,106.45
  5. Step 5: Solve for x
    x = 4,299,493,560,106.45/2,139,056.87
  6. Step 6: Final answer
    x = 2,009,994.98

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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.