Home / 3,112,289.28-4,666,564.80-1,216,772.16

Finding the Fourth Proportional to 3,112,289.28, 4,666,564.80 and 1,216,772.16

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Solution

The fourth proportional to 3,112,289.28, 4,666,564.80 and 1,216,772.16 is: 1,824,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,289.28 : 4,666,564.80 = 1,216,772.16 : x
  2. Step 2: Convert to fraction form
    3,112,289.28/4,666,564.80 = 1,216,772.16/x
  3. Step 3: Cross multiply
    3,112,289.28x = 4,666,564.80 × 1,216,772.16
  4. Step 4: Simplify right side
    3,112,289.28x = 5,678,146,131,475.97
  5. Step 5: Solve for x
    x = 5,678,146,131,475.97/3,112,289.28
  6. Step 6: Final answer
    x = 1,824,427.49

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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.