Home / 1,918,632.60-2,647,643.58-1,059,174.41

Finding the Fourth Proportional to 1,918,632.60, 2,647,643.58 and 1,059,174.41

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Solution

The fourth proportional to 1,918,632.60, 2,647,643.58 and 1,059,174.41 is: 1,461,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,632.60 : 2,647,643.58 = 1,059,174.41 : x
  2. Step 2: Convert to fraction form
    1,918,632.60/2,647,643.58 = 1,059,174.41/x
  3. Step 3: Cross multiply
    1,918,632.60x = 2,647,643.58 × 1,059,174.41
  4. Step 4: Simplify right side
    1,918,632.60x = 2,804,316,313,498.57
  5. Step 5: Solve for x
    x = 2,804,316,313,498.57/1,918,632.60
  6. Step 6: Final answer
    x = 1,461,622.36

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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.