Home / 1,638,147.88-2,457,555.90-928,492.84

Finding the Fourth Proportional to 1,638,147.88, 2,457,555.90 and 928,492.84

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Solution

The fourth proportional to 1,638,147.88, 2,457,555.90 and 928,492.84 is: 1,392,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,147.88 : 2,457,555.90 = 928,492.84 : x
  2. Step 2: Convert to fraction form
    1,638,147.88/2,457,555.90 = 928,492.84/x
  3. Step 3: Cross multiply
    1,638,147.88x = 2,457,555.90 × 928,492.84
  4. Step 4: Simplify right side
    1,638,147.88x = 2,281,823,057,049.76
  5. Step 5: Solve for x
    x = 2,281,823,057,049.76/1,638,147.88
  6. Step 6: Final answer
    x = 1,392,928.61

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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.