Home / 3,289,621.08-4,539,708.54-1,931,516.76

Finding the Fourth Proportional to 3,289,621.08, 4,539,708.54 and 1,931,516.76

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Solution

The fourth proportional to 3,289,621.08, 4,539,708.54 and 1,931,516.76 is: 2,665,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,621.08 : 4,539,708.54 = 1,931,516.76 : x
  2. Step 2: Convert to fraction form
    3,289,621.08/4,539,708.54 = 1,931,516.76/x
  3. Step 3: Cross multiply
    3,289,621.08x = 4,539,708.54 × 1,931,516.76
  4. Step 4: Simplify right side
    3,289,621.08x = 8,768,523,130,525.13
  5. Step 5: Solve for x
    x = 8,768,523,130,525.13/3,289,621.08
  6. Step 6: Final answer
    x = 2,665,511.59

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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.