Home / 1,638,146.88-2,457,554.40-928,491.84

Finding the Fourth Proportional to 1,638,146.88, 2,457,554.40 and 928,491.84

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Solution

The fourth proportional to 1,638,146.88, 2,457,554.40 and 928,491.84 is: 1,392,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,146.88 : 2,457,554.40 = 928,491.84 : x
  2. Step 2: Convert to fraction form
    1,638,146.88/2,457,554.40 = 928,491.84/x
  3. Step 3: Cross multiply
    1,638,146.88x = 2,457,554.40 × 928,491.84
  4. Step 4: Simplify right side
    1,638,146.88x = 2,281,819,206,756.10
  5. Step 5: Solve for x
    x = 2,281,819,206,756.10/1,638,146.88
  6. Step 6: Final answer
    x = 1,392,927.11

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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.