Home / 3,692,911.66-5,097,068.39-2,165,510.86

Finding the Fourth Proportional to 3,692,911.66, 5,097,068.39 and 2,165,510.86

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Solution

The fourth proportional to 3,692,911.66, 5,097,068.39 and 2,165,510.86 is: 2,988,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692,911.66 : 5,097,068.39 = 2,165,510.86 : x
  2. Step 2: Convert to fraction form
    3,692,911.66/5,097,068.39 = 2,165,510.86/x
  3. Step 3: Cross multiply
    3,692,911.66x = 5,097,068.39 × 2,165,510.86
  4. Step 4: Simplify right side
    3,692,911.66x = 11,037,756,932,120.31
  5. Step 5: Solve for x
    x = 11,037,756,932,120.31/3,692,911.66
  6. Step 6: Final answer
    x = 2,988,903.60

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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.