Home / 3,145,718.79-4,708,428.99-1,627,310.82

Finding the Fourth Proportional to 3,145,718.79, 4,708,428.99 and 1,627,310.82

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Solution

The fourth proportional to 3,145,718.79, 4,708,428.99 and 1,627,310.82 is: 2,435,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,718.79 : 4,708,428.99 = 1,627,310.82 : x
  2. Step 2: Convert to fraction form
    3,145,718.79/4,708,428.99 = 1,627,310.82/x
  3. Step 3: Cross multiply
    3,145,718.79x = 4,708,428.99 × 1,627,310.82
  4. Step 4: Simplify right side
    3,145,718.79x = 7,662,077,440,628.67
  5. Step 5: Solve for x
    x = 7,662,077,440,628.67/3,145,718.79
  6. Step 6: Final answer
    x = 2,435,715.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.