Home / 1,805,200.20-2,492,308.96-1,161,738.64

Finding the Fourth Proportional to 1,805,200.20, 2,492,308.96 and 1,161,738.64

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Solution

The fourth proportional to 1,805,200.20, 2,492,308.96 and 1,161,738.64 is: 1,603,928.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,200.20 : 2,492,308.96 = 1,161,738.64 : x
  2. Step 2: Convert to fraction form
    1,805,200.20/2,492,308.96 = 1,161,738.64/x
  3. Step 3: Cross multiply
    1,805,200.20x = 2,492,308.96 × 1,161,738.64
  4. Step 4: Simplify right side
    1,805,200.20x = 2,895,411,621,650.21
  5. Step 5: Solve for x
    x = 2,895,411,621,650.21/1,805,200.20
  6. Step 6: Final answer
    x = 1,603,928.26

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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.