Home / 2,992,747.60-4,128,511.84-1,768,460.77

Finding the Fourth Proportional to 2,992,747.60, 4,128,511.84 and 1,768,460.77

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Solution

The fourth proportional to 2,992,747.60, 4,128,511.84 and 1,768,460.77 is: 2,439,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,747.60 : 4,128,511.84 = 1,768,460.77 : x
  2. Step 2: Convert to fraction form
    2,992,747.60/4,128,511.84 = 1,768,460.77/x
  3. Step 3: Cross multiply
    2,992,747.60x = 4,128,511.84 × 1,768,460.77
  4. Step 4: Simplify right side
    2,992,747.60x = 7,301,111,227,520.52
  5. Step 5: Solve for x
    x = 7,301,111,227,520.52/2,992,747.60
  6. Step 6: Final answer
    x = 2,439,601.40

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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.