Home / 2,664,739.31-3,997,071.81-642,966.24

Finding the Fourth Proportional to 2,664,739.31, 3,997,071.81 and 642,966.24

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Solution

The fourth proportional to 2,664,739.31, 3,997,071.81 and 642,966.24 is: 964,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,739.31 : 3,997,071.81 = 642,966.24 : x
  2. Step 2: Convert to fraction form
    2,664,739.31/3,997,071.81 = 642,966.24/x
  3. Step 3: Cross multiply
    2,664,739.31x = 3,997,071.81 × 642,966.24
  4. Step 4: Simplify right side
    2,664,739.31x = 2,569,982,247,674.71
  5. Step 5: Solve for x
    x = 2,569,982,247,674.71/2,664,739.31
  6. Step 6: Final answer
    x = 964,440.40

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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.