Home / 2,155,390.95-3,226,630.83-2,078,740.86

Finding the Fourth Proportional to 2,155,390.95, 3,226,630.83 and 2,078,740.86

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Solution

The fourth proportional to 2,155,390.95, 3,226,630.83 and 2,078,740.86 is: 3,111,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,390.95 : 3,226,630.83 = 2,078,740.86 : x
  2. Step 2: Convert to fraction form
    2,155,390.95/3,226,630.83 = 2,078,740.86/x
  3. Step 3: Cross multiply
    2,155,390.95x = 3,226,630.83 × 2,078,740.86
  4. Step 4: Simplify right side
    2,155,390.95x = 6,707,329,346,456.71
  5. Step 5: Solve for x
    x = 6,707,329,346,456.71/2,155,390.95
  6. Step 6: Final answer
    x = 3,111,885.27

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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.