Home / 1,811,336.50-2,501,836.66-1,320,528.76

Finding the Fourth Proportional to 1,811,336.50, 2,501,836.66 and 1,320,528.76

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Solution

The fourth proportional to 1,811,336.50, 2,501,836.66 and 1,320,528.76 is: 1,823,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,336.50 : 2,501,836.66 = 1,320,528.76 : x
  2. Step 2: Convert to fraction form
    1,811,336.50/2,501,836.66 = 1,320,528.76/x
  3. Step 3: Cross multiply
    1,811,336.50x = 2,501,836.66 × 1,320,528.76
  4. Step 4: Simplify right side
    1,811,336.50x = 3,303,747,262,352.34
  5. Step 5: Solve for x
    x = 3,303,747,262,352.34/1,811,336.50
  6. Step 6: Final answer
    x = 1,823,927.95

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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.