Home / 5,636,578.20-8,456,392.74-4,019,390.28

Finding the Fourth Proportional to 5,636,578.20, 8,456,392.74 and 4,019,390.28

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Solution

The fourth proportional to 5,636,578.20, 8,456,392.74 and 4,019,390.28 is: 6,030,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636,578.20 : 8,456,392.74 = 4,019,390.28 : x
  2. Step 2: Convert to fraction form
    5,636,578.20/8,456,392.74 = 4,019,390.28/x
  3. Step 3: Cross multiply
    5,636,578.20x = 8,456,392.74 × 4,019,390.28
  4. Step 4: Simplify right side
    5,636,578.20x = 33,989,542,783,018.57
  5. Step 5: Solve for x
    x = 33,989,542,783,018.57/5,636,578.20
  6. Step 6: Final answer
    x = 6,030,173.20

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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.