Home / 3,187,563.44-4,779,938.13-912,571.54

Finding the Fourth Proportional to 3,187,563.44, 4,779,938.13 and 912,571.54

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Solution

The fourth proportional to 3,187,563.44, 4,779,938.13 and 912,571.54 is: 1,368,454.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,563.44 : 4,779,938.13 = 912,571.54 : x
  2. Step 2: Convert to fraction form
    3,187,563.44/4,779,938.13 = 912,571.54/x
  3. Step 3: Cross multiply
    3,187,563.44x = 4,779,938.13 × 912,571.54
  4. Step 4: Simplify right side
    3,187,563.44x = 4,362,035,497,828.78
  5. Step 5: Solve for x
    x = 4,362,035,497,828.78/3,187,563.44
  6. Step 6: Final answer
    x = 1,368,454.49

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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.