Home / 2,664,472.40-3,997,291.80-1,317,280.40

Finding the Fourth Proportional to 2,664,472.40, 3,997,291.80 and 1,317,280.40

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Solution

The fourth proportional to 2,664,472.40, 3,997,291.80 and 1,317,280.40 is: 1,976,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,472.40 : 3,997,291.80 = 1,317,280.40 : x
  2. Step 2: Convert to fraction form
    2,664,472.40/3,997,291.80 = 1,317,280.40/x
  3. Step 3: Cross multiply
    2,664,472.40x = 3,997,291.80 × 1,317,280.40
  4. Step 4: Simplify right side
    2,664,472.40x = 5,265,554,141,220.72
  5. Step 5: Solve for x
    x = 5,265,554,141,220.72/2,664,472.40
  6. Step 6: Final answer
    x = 1,976,208.93

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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.