Home / 3,289,620.08-4,539,707.16-1,931,515.76

Finding the Fourth Proportional to 3,289,620.08, 4,539,707.16 and 1,931,515.76

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Solution

The fourth proportional to 3,289,620.08, 4,539,707.16 and 1,931,515.76 is: 2,665,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,620.08 : 4,539,707.16 = 1,931,515.76 : x
  2. Step 2: Convert to fraction form
    3,289,620.08/4,539,707.16 = 1,931,515.76/x
  3. Step 3: Cross multiply
    3,289,620.08x = 4,539,707.16 × 1,931,515.76
  4. Step 4: Simplify right side
    3,289,620.08x = 8,768,515,925,324.84
  5. Step 5: Solve for x
    x = 8,768,515,925,324.84/3,289,620.08
  6. Step 6: Final answer
    x = 2,665,510.21

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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.