Home / 2,078,773.60-3,120,784.80-1,119,992.80

Finding the Fourth Proportional to 2,078,773.60, 3,120,784.80 and 1,119,992.80

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Solution

The fourth proportional to 2,078,773.60, 3,120,784.80 and 1,119,992.80 is: 1,681,403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,773.60 : 3,120,784.80 = 1,119,992.80 : x
  2. Step 2: Convert to fraction form
    2,078,773.60/3,120,784.80 = 1,119,992.80/x
  3. Step 3: Cross multiply
    2,078,773.60x = 3,120,784.80 × 1,119,992.80
  4. Step 4: Simplify right side
    2,078,773.60x = 3,495,256,506,349.44
  5. Step 5: Solve for x
    x = 3,495,256,506,349.44/2,078,773.60
  6. Step 6: Final answer
    x = 1,681,403.16

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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.