Home / 2,390,642.40-3,298,990.48-1,302,890.67

Finding the Fourth Proportional to 2,390,642.40, 3,298,990.48 and 1,302,890.67

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Solution

The fourth proportional to 2,390,642.40, 3,298,990.48 and 1,302,890.67 is: 1,797,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,642.40 : 3,298,990.48 = 1,302,890.67 : x
  2. Step 2: Convert to fraction form
    2,390,642.40/3,298,990.48 = 1,302,890.67/x
  3. Step 3: Cross multiply
    2,390,642.40x = 3,298,990.48 × 1,302,890.67
  4. Step 4: Simplify right side
    2,390,642.40x = 4,298,223,913,553.60
  5. Step 5: Solve for x
    x = 4,298,223,913,553.60/2,390,642.40
  6. Step 6: Final answer
    x = 1,797,936.78

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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.