Home / 2,209,133.64-3,048,645.84-1,291,441.20

Finding the Fourth Proportional to 2,209,133.64, 3,048,645.84 and 1,291,441.20

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Solution

The fourth proportional to 2,209,133.64, 3,048,645.84 and 1,291,441.20 is: 1,782,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,133.64 : 3,048,645.84 = 1,291,441.20 : x
  2. Step 2: Convert to fraction form
    2,209,133.64/3,048,645.84 = 1,291,441.20/x
  3. Step 3: Cross multiply
    2,209,133.64x = 3,048,645.84 × 1,291,441.20
  4. Step 4: Simplify right side
    2,209,133.64x = 3,937,146,841,984.61
  5. Step 5: Solve for x
    x = 3,937,146,841,984.61/2,209,133.64
  6. Step 6: Final answer
    x = 1,782,213.07

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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.