Home / 3,112,047.20-4,668,699.72-1,314,935.84

Finding the Fourth Proportional to 3,112,047.20, 4,668,699.72 and 1,314,935.84

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Solution

The fourth proportional to 3,112,047.20, 4,668,699.72 and 1,314,935.84 is: 1,972,669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,047.20 : 4,668,699.72 = 1,314,935.84 : x
  2. Step 2: Convert to fraction form
    3,112,047.20/4,668,699.72 = 1,314,935.84/x
  3. Step 3: Cross multiply
    3,112,047.20x = 4,668,699.72 × 1,314,935.84
  4. Step 4: Simplify right side
    3,112,047.20x = 6,139,040,588,025.97
  5. Step 5: Solve for x
    x = 6,139,040,588,025.97/3,112,047.20
  6. Step 6: Final answer
    x = 1,972,669.50

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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.