Home / 1,811,339.50-2,501,840.80-1,320,531.76

Finding the Fourth Proportional to 1,811,339.50, 2,501,840.80 and 1,320,531.76

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Solution

The fourth proportional to 1,811,339.50, 2,501,840.80 and 1,320,531.76 is: 1,823,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,339.50 : 2,501,840.80 = 1,320,531.76 : x
  2. Step 2: Convert to fraction form
    1,811,339.50/2,501,840.80 = 1,320,531.76/x
  3. Step 3: Cross multiply
    1,811,339.50x = 2,501,840.80 × 1,320,531.76
  4. Step 4: Simplify right side
    1,811,339.50x = 3,303,760,234,863.81
  5. Step 5: Solve for x
    x = 3,303,760,234,863.81/1,811,339.50
  6. Step 6: Final answer
    x = 1,823,932.09

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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.