Home / 3,178,958.35-4,386,828.98-1,802,394.67

Finding the Fourth Proportional to 3,178,958.35, 4,386,828.98 and 1,802,394.67

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Solution

The fourth proportional to 3,178,958.35, 4,386,828.98 and 1,802,394.67 is: 2,487,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,958.35 : 4,386,828.98 = 1,802,394.67 : x
  2. Step 2: Convert to fraction form
    3,178,958.35/4,386,828.98 = 1,802,394.67/x
  3. Step 3: Cross multiply
    3,178,958.35x = 4,386,828.98 × 1,802,394.67
  4. Step 4: Simplify right side
    3,178,958.35x = 7,906,797,140,807.42
  5. Step 5: Solve for x
    x = 7,906,797,140,807.42/3,178,958.35
  6. Step 6: Final answer
    x = 2,487,228.92

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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.