Home / 2,390,447.50-3,298,817.63-1,317,359.50

Finding the Fourth Proportional to 2,390,447.50, 3,298,817.63 and 1,317,359.50

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Solution

The fourth proportional to 2,390,447.50, 3,298,817.63 and 1,317,359.50 is: 1,817,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,447.50 : 3,298,817.63 = 1,317,359.50 : x
  2. Step 2: Convert to fraction form
    2,390,447.50/3,298,817.63 = 1,317,359.50/x
  3. Step 3: Cross multiply
    2,390,447.50x = 3,298,817.63 × 1,317,359.50
  4. Step 4: Simplify right side
    2,390,447.50x = 4,345,728,743,647.99
  5. Step 5: Solve for x
    x = 4,345,728,743,647.99/2,390,447.50
  6. Step 6: Final answer
    x = 1,817,956.15

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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.