Home / 1,818,415.08-2,508,385.32-1,138,170.60

Finding the Fourth Proportional to 1,818,415.08, 2,508,385.32 and 1,138,170.60

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Solution

The fourth proportional to 1,818,415.08, 2,508,385.32 and 1,138,170.60 is: 1,570,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,415.08 : 2,508,385.32 = 1,138,170.60 : x
  2. Step 2: Convert to fraction form
    1,818,415.08/2,508,385.32 = 1,138,170.60/x
  3. Step 3: Cross multiply
    1,818,415.08x = 2,508,385.32 × 1,138,170.60
  4. Step 4: Simplify right side
    1,818,415.08x = 2,854,970,424,695.59
  5. Step 5: Solve for x
    x = 2,854,970,424,695.59/1,818,415.08
  6. Step 6: Final answer
    x = 1,570,032.31

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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.