Home / 1,898,151.89-2,619,449.82-1,038,712.19

Finding the Fourth Proportional to 1,898,151.89, 2,619,449.82 and 1,038,712.19

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Solution

The fourth proportional to 1,898,151.89, 2,619,449.82 and 1,038,712.19 is: 1,433,422.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,151.89 : 2,619,449.82 = 1,038,712.19 : x
  2. Step 2: Convert to fraction form
    1,898,151.89/2,619,449.82 = 1,038,712.19/x
  3. Step 3: Cross multiply
    1,898,151.89x = 2,619,449.82 × 1,038,712.19
  4. Step 4: Simplify right side
    1,898,151.89x = 2,720,854,446,030.06
  5. Step 5: Solve for x
    x = 2,720,854,446,030.06/1,898,151.89
  6. Step 6: Final answer
    x = 1,433,422.93

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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.