Home / 2,643,007.80-3,964,511.70-1,580,125.80

Finding the Fourth Proportional to 2,643,007.80, 3,964,511.70 and 1,580,125.80

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Solution

The fourth proportional to 2,643,007.80, 3,964,511.70 and 1,580,125.80 is: 2,370,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,007.80 : 3,964,511.70 = 1,580,125.80 : x
  2. Step 2: Convert to fraction form
    2,643,007.80/3,964,511.70 = 1,580,125.80/x
  3. Step 3: Cross multiply
    2,643,007.80x = 3,964,511.70 × 1,580,125.80
  4. Step 4: Simplify right side
    2,643,007.80x = 6,264,427,221,571.86
  5. Step 5: Solve for x
    x = 6,264,427,221,571.86/2,643,007.80
  6. Step 6: Final answer
    x = 2,370,188.70

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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.