Home / 3,165,511.47-4,368,409.68-1,715,205.76

Finding the Fourth Proportional to 3,165,511.47, 4,368,409.68 and 1,715,205.76

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Solution

The fourth proportional to 3,165,511.47, 4,368,409.68 and 1,715,205.76 is: 2,366,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,511.47 : 4,368,409.68 = 1,715,205.76 : x
  2. Step 2: Convert to fraction form
    3,165,511.47/4,368,409.68 = 1,715,205.76/x
  3. Step 3: Cross multiply
    3,165,511.47x = 4,368,409.68 × 1,715,205.76
  4. Step 4: Simplify right side
    3,165,511.47x = 7,492,721,440,686.75
  5. Step 5: Solve for x
    x = 7,492,721,440,686.75/3,165,511.47
  6. Step 6: Final answer
    x = 2,366,986.04

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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.