Home / 3,779,889.12-5,216,333.04-2,148,039.36

Finding the Fourth Proportional to 3,779,889.12, 5,216,333.04 and 2,148,039.36

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Solution

The fourth proportional to 3,779,889.12, 5,216,333.04 and 2,148,039.36 is: 2,964,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,889.12 : 5,216,333.04 = 2,148,039.36 : x
  2. Step 2: Convert to fraction form
    3,779,889.12/5,216,333.04 = 2,148,039.36/x
  3. Step 3: Cross multiply
    3,779,889.12x = 5,216,333.04 × 2,148,039.36
  4. Step 4: Simplify right side
    3,779,889.12x = 11,204,888,684,788.45
  5. Step 5: Solve for x
    x = 11,204,888,684,788.45/3,779,889.12
  6. Step 6: Final answer
    x = 2,964,343.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.