Home / 2,285,900.64-3,428,610.40-938,205.76

Finding the Fourth Proportional to 2,285,900.64, 3,428,610.40 and 938,205.76

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Solution

The fourth proportional to 2,285,900.64, 3,428,610.40 and 938,205.76 is: 1,407,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285,900.64 : 3,428,610.40 = 938,205.76 : x
  2. Step 2: Convert to fraction form
    2,285,900.64/3,428,610.40 = 938,205.76/x
  3. Step 3: Cross multiply
    2,285,900.64x = 3,428,610.40 × 938,205.76
  4. Step 4: Simplify right side
    2,285,900.64x = 3,216,742,026,075.90
  5. Step 5: Solve for x
    x = 3,216,742,026,075.90/2,285,900.64
  6. Step 6: Final answer
    x = 1,407,209.91

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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.