Home / 1,918,723.98-2,647,825.36-1,047,558.64

Finding the Fourth Proportional to 1,918,723.98, 2,647,825.36 and 1,047,558.64

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Solution

The fourth proportional to 1,918,723.98, 2,647,825.36 and 1,047,558.64 is: 1,445,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,723.98 : 2,647,825.36 = 1,047,558.64 : x
  2. Step 2: Convert to fraction form
    1,918,723.98/2,647,825.36 = 1,047,558.64/x
  3. Step 3: Cross multiply
    1,918,723.98x = 2,647,825.36 × 1,047,558.64
  4. Step 4: Simplify right side
    1,918,723.98x = 2,773,752,333,079.11
  5. Step 5: Solve for x
    x = 2,773,752,333,079.11/1,918,723.98
  6. Step 6: Final answer
    x = 1,445,623.43

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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.