Home / 1,918,582.44-2,647,649.46-1,047,418.50

Finding the Fourth Proportional to 1,918,582.44, 2,647,649.46 and 1,047,418.50

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Solution

The fourth proportional to 1,918,582.44, 2,647,649.46 and 1,047,418.50 is: 1,445,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,582.44 : 2,647,649.46 = 1,047,418.50 : x
  2. Step 2: Convert to fraction form
    1,918,582.44/2,647,649.46 = 1,047,418.50/x
  3. Step 3: Cross multiply
    1,918,582.44x = 2,647,649.46 × 1,047,418.50
  4. Step 4: Simplify right side
    1,918,582.44x = 2,773,197,025,919.01
  5. Step 5: Solve for x
    x = 2,773,197,025,919.01/1,918,582.44
  6. Step 6: Final answer
    x = 1,445,440.64

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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.