Home / 2,390,441.86-3,298,809.84-1,317,353.86

Finding the Fourth Proportional to 2,390,441.86, 3,298,809.84 and 1,317,353.86

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Solution

The fourth proportional to 2,390,441.86, 3,298,809.84 and 1,317,353.86 is: 1,817,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,441.86 : 3,298,809.84 = 1,317,353.86 : x
  2. Step 2: Convert to fraction form
    2,390,441.86/3,298,809.84 = 1,317,353.86/x
  3. Step 3: Cross multiply
    2,390,441.86x = 3,298,809.84 × 1,317,353.86
  4. Step 4: Simplify right side
    2,390,441.86x = 4,345,699,876,129.98
  5. Step 5: Solve for x
    x = 4,345,699,876,129.98/2,390,441.86
  6. Step 6: Final answer
    x = 1,817,948.37

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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.