Home / 1,898,172.52-2,619,478.21-1,038,732.82

Finding the Fourth Proportional to 1,898,172.52, 2,619,478.21 and 1,038,732.82

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Solution

The fourth proportional to 1,898,172.52, 2,619,478.21 and 1,038,732.82 is: 1,433,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,172.52 : 2,619,478.21 = 1,038,732.82 : x
  2. Step 2: Convert to fraction form
    1,898,172.52/2,619,478.21 = 1,038,732.82/x
  3. Step 3: Cross multiply
    1,898,172.52x = 2,619,478.21 × 1,038,732.82
  4. Step 4: Simplify right side
    1,898,172.52x = 2,720,937,988,001.85
  5. Step 5: Solve for x
    x = 2,720,937,988,001.85/1,898,172.52
  6. Step 6: Final answer
    x = 1,433,451.36

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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.