Home / 1,918,570.47-2,647,635.71-1,059,137.79

Finding the Fourth Proportional to 1,918,570.47, 2,647,635.71 and 1,059,137.79

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Solution

The fourth proportional to 1,918,570.47, 2,647,635.71 and 1,059,137.79 is: 1,461,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,570.47 : 2,647,635.71 = 1,059,137.79 : x
  2. Step 2: Convert to fraction form
    1,918,570.47/2,647,635.71 = 1,059,137.79/x
  3. Step 3: Cross multiply
    1,918,570.47x = 2,647,635.71 × 1,059,137.79
  4. Step 4: Simplify right side
    1,918,570.47x = 2,804,211,029,318.79
  5. Step 5: Solve for x
    x = 2,804,211,029,318.79/1,918,570.47
  6. Step 6: Final answer
    x = 1,461,614.82

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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.