Home / 1,898,570.84-2,620,007.79-1,027,386.47

Finding the Fourth Proportional to 1,898,570.84, 2,620,007.79 and 1,027,386.47

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Solution

The fourth proportional to 1,898,570.84, 2,620,007.79 and 1,027,386.47 is: 1,417,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,570.84 : 2,620,007.79 = 1,027,386.47 : x
  2. Step 2: Convert to fraction form
    1,898,570.84/2,620,007.79 = 1,027,386.47/x
  3. Step 3: Cross multiply
    1,898,570.84x = 2,620,007.79 × 1,027,386.47
  4. Step 4: Simplify right side
    1,898,570.84x = 2,691,760,548,479.43
  5. Step 5: Solve for x
    x = 2,691,760,548,479.43/1,898,570.84
  6. Step 6: Final answer
    x = 1,417,782.52

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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.