Home / 2,788,154.64-4,178,339.28-1,505,997.90

Finding the Fourth Proportional to 2,788,154.64, 4,178,339.28 and 1,505,997.90

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Solution

The fourth proportional to 2,788,154.64, 4,178,339.28 and 1,505,997.90 is: 2,256,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,154.64 : 4,178,339.28 = 1,505,997.90 : x
  2. Step 2: Convert to fraction form
    2,788,154.64/4,178,339.28 = 1,505,997.90/x
  3. Step 3: Cross multiply
    2,788,154.64x = 4,178,339.28 × 1,505,997.90
  4. Step 4: Simplify right side
    2,788,154.64x = 6,292,570,181,167.51
  5. Step 5: Solve for x
    x = 6,292,570,181,167.51/2,788,154.64
  6. Step 6: Final answer
    x = 2,256,894.25

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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.