Home / 2,709,811.20-4,066,291.38-1,213,903.20

Finding the Fourth Proportional to 2,709,811.20, 4,066,291.38 and 1,213,903.20

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Solution

The fourth proportional to 2,709,811.20, 4,066,291.38 and 1,213,903.20 is: 1,821,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,811.20 : 4,066,291.38 = 1,213,903.20 : x
  2. Step 2: Convert to fraction form
    2,709,811.20/4,066,291.38 = 1,213,903.20/x
  3. Step 3: Cross multiply
    2,709,811.20x = 4,066,291.38 × 1,213,903.20
  4. Step 4: Simplify right side
    2,709,811.20x = 4,936,084,118,314.42
  5. Step 5: Solve for x
    x = 4,936,084,118,314.42/2,709,811.20
  6. Step 6: Final answer
    x = 1,821,560.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.