Home / 2,153,312.25-2,970,933.44-1,281,448.01

Finding the Fourth Proportional to 2,153,312.25, 2,970,933.44 and 1,281,448.01

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Solution

The fourth proportional to 2,153,312.25, 2,970,933.44 and 1,281,448.01 is: 1,768,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,312.25 : 2,970,933.44 = 1,281,448.01 : x
  2. Step 2: Convert to fraction form
    2,153,312.25/2,970,933.44 = 1,281,448.01/x
  3. Step 3: Cross multiply
    2,153,312.25x = 2,970,933.44 × 1,281,448.01
  4. Step 4: Simplify right side
    2,153,312.25x = 3,807,096,723,268.55
  5. Step 5: Solve for x
    x = 3,807,096,723,268.55/2,153,312.25
  6. Step 6: Final answer
    x = 1,768,018.88

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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.