Home / 1,898,357.43-2,619,698.25-1,038,900.45

Finding the Fourth Proportional to 1,898,357.43, 2,619,698.25 and 1,038,900.45

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Solution

The fourth proportional to 1,898,357.43, 2,619,698.25 and 1,038,900.45 is: 1,433,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,357.43 : 2,619,698.25 = 1,038,900.45 : x
  2. Step 2: Convert to fraction form
    1,898,357.43/2,619,698.25 = 1,038,900.45/x
  3. Step 3: Cross multiply
    1,898,357.43x = 2,619,698.25 × 1,038,900.45
  4. Step 4: Simplify right side
    1,898,357.43x = 2,721,605,690,789.21
  5. Step 5: Solve for x
    x = 2,721,605,690,789.21/1,898,357.43
  6. Step 6: Final answer
    x = 1,433,663.46

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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.