Home / 1,865,438.20-2,793,491.70-1,492,190.20

Finding the Fourth Proportional to 1,865,438.20, 2,793,491.70 and 1,492,190.20

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Solution

The fourth proportional to 1,865,438.20, 2,793,491.70 and 1,492,190.20 is: 2,234,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,438.20 : 2,793,491.70 = 1,492,190.20 : x
  2. Step 2: Convert to fraction form
    1,865,438.20/2,793,491.70 = 1,492,190.20/x
  3. Step 3: Cross multiply
    1,865,438.20x = 2,793,491.70 × 1,492,190.20
  4. Step 4: Simplify right side
    1,865,438.20x = 4,168,420,938,521.34
  5. Step 5: Solve for x
    x = 4,168,420,938,521.34/1,865,438.20
  6. Step 6: Final answer
    x = 2,234,553.22

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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.