Home / 2,555,789.40-3,830,427.90-1,358,285.40

Finding the Fourth Proportional to 2,555,789.40, 3,830,427.90 and 1,358,285.40

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Solution

The fourth proportional to 2,555,789.40, 3,830,427.90 and 1,358,285.40 is: 2,035,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555,789.40 : 3,830,427.90 = 1,358,285.40 : x
  2. Step 2: Convert to fraction form
    2,555,789.40/3,830,427.90 = 1,358,285.40/x
  3. Step 3: Cross multiply
    2,555,789.40x = 3,830,427.90 × 1,358,285.40
  4. Step 4: Simplify right side
    2,555,789.40x = 5,202,814,292,322.66
  5. Step 5: Solve for x
    x = 5,202,814,292,322.66/2,555,789.40
  6. Step 6: Final answer
    x = 2,035,697.58

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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.