Home / 1,918,464.17-2,647,486.89-1,059,022.37

Finding the Fourth Proportional to 1,918,464.17, 2,647,486.89 and 1,059,022.37

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Solution

The fourth proportional to 1,918,464.17, 2,647,486.89 and 1,059,022.37 is: 1,461,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,464.17 : 2,647,486.89 = 1,059,022.37 : x
  2. Step 2: Convert to fraction form
    1,918,464.17/2,647,486.89 = 1,059,022.37/x
  3. Step 3: Cross multiply
    1,918,464.17x = 2,647,486.89 × 1,059,022.37
  4. Step 4: Simplify right side
    1,918,464.17x = 2,803,747,847,410.45
  5. Step 5: Solve for x
    x = 2,803,747,847,410.45/1,918,464.17
  6. Step 6: Final answer
    x = 1,461,454.38

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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.