Home / 1,918,783.26-2,647,924.83-1,059,345.18

Finding the Fourth Proportional to 1,918,783.26, 2,647,924.83 and 1,059,345.18

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Solution

The fourth proportional to 1,918,783.26, 2,647,924.83 and 1,059,345.18 is: 1,461,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,783.26 : 2,647,924.83 = 1,059,345.18 : x
  2. Step 2: Convert to fraction form
    1,918,783.26/2,647,924.83 = 1,059,345.18/x
  3. Step 3: Cross multiply
    1,918,783.26x = 2,647,924.83 × 1,059,345.18
  4. Step 4: Simplify right side
    1,918,783.26x = 2,805,066,405,662.82
  5. Step 5: Solve for x
    x = 2,805,066,405,662.82/1,918,783.26
  6. Step 6: Final answer
    x = 1,461,898.52

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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.