Home / 1,539,790.08-2,123,856-1,003,971.84

Finding the Fourth Proportional to 1,539,790.08, 2,123,856 and 1,003,971.84

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Solution

The fourth proportional to 1,539,790.08, 2,123,856 and 1,003,971.84 is: 1,384,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,790.08 : 2,123,856 = 1,003,971.84 : x
  2. Step 2: Convert to fraction form
    1,539,790.08/2,123,856 = 1,003,971.84/x
  3. Step 3: Cross multiply
    1,539,790.08x = 2,123,856 × 1,003,971.84
  4. Step 4: Simplify right side
    1,539,790.08x = 2,132,291,616,215.04
  5. Step 5: Solve for x
    x = 2,132,291,616,215.04/1,539,790.08
  6. Step 6: Final answer
    x = 1,384,793.71

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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.