Home / 2,208,051.20-3,312,076.80-1,928,115.20

Finding the Fourth Proportional to 2,208,051.20, 3,312,076.80 and 1,928,115.20

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Solution

The fourth proportional to 2,208,051.20, 3,312,076.80 and 1,928,115.20 is: 2,892,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,051.20 : 3,312,076.80 = 1,928,115.20 : x
  2. Step 2: Convert to fraction form
    2,208,051.20/3,312,076.80 = 1,928,115.20/x
  3. Step 3: Cross multiply
    2,208,051.20x = 3,312,076.80 × 1,928,115.20
  4. Step 4: Simplify right side
    2,208,051.20x = 6,386,065,621,647.36
  5. Step 5: Solve for x
    x = 6,386,065,621,647.36/2,208,051.20
  6. Step 6: Final answer
    x = 2,892,172.80

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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.