Home / 1,898,012.22-2,619,256.77-1,038,572.52

Finding the Fourth Proportional to 1,898,012.22, 2,619,256.77 and 1,038,572.52

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Solution

The fourth proportional to 1,898,012.22, 2,619,256.77 and 1,038,572.52 is: 1,433,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,012.22 : 2,619,256.77 = 1,038,572.52 : x
  2. Step 2: Convert to fraction form
    1,898,012.22/2,619,256.77 = 1,038,572.52/x
  3. Step 3: Cross multiply
    1,898,012.22x = 2,619,256.77 × 1,038,572.52
  4. Step 4: Simplify right side
    1,898,012.22x = 2,720,288,104,145.96
  5. Step 5: Solve for x
    x = 2,720,288,104,145.96/1,898,012.22
  6. Step 6: Final answer
    x = 1,433,230.03

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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.