Home / 1,918,214.43-2,647,200.00-1,047,100.74

Finding the Fourth Proportional to 1,918,214.43, 2,647,200.00 and 1,047,100.74

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Solution

The fourth proportional to 1,918,214.43, 2,647,200.00 and 1,047,100.74 is: 1,445,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,214.43 : 2,647,200.00 = 1,047,100.74 : x
  2. Step 2: Convert to fraction form
    1,918,214.43/2,647,200.00 = 1,047,100.74/x
  3. Step 3: Cross multiply
    1,918,214.43x = 2,647,200.00 × 1,047,100.74
  4. Step 4: Simplify right side
    1,918,214.43x = 2,771,885,093,238.91
  5. Step 5: Solve for x
    x = 2,771,885,093,238.91/1,918,214.43
  6. Step 6: Final answer
    x = 1,445,034.02

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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.