Home / 1,804,801.21-2,490,381.91-1,030,382.81

Finding the Fourth Proportional to 1,804,801.21, 2,490,381.91 and 1,030,382.81

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Solution

The fourth proportional to 1,804,801.21, 2,490,381.91 and 1,030,382.81 is: 1,421,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,801.21 : 2,490,381.91 = 1,030,382.81 : x
  2. Step 2: Convert to fraction form
    1,804,801.21/2,490,381.91 = 1,030,382.81/x
  3. Step 3: Cross multiply
    1,804,801.21x = 2,490,381.91 × 1,030,382.81
  4. Step 4: Simplify right side
    1,804,801.21x = 2,566,046,708,573.97
  5. Step 5: Solve for x
    x = 2,566,046,708,573.97/1,804,801.21
  6. Step 6: Final answer
    x = 1,421,789.11

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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.