Home / 4,931,718.60-7,392,912.30-2,911,513.80

Finding the Fourth Proportional to 4,931,718.60, 7,392,912.30 and 2,911,513.80

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Solution

The fourth proportional to 4,931,718.60, 7,392,912.30 and 2,911,513.80 is: 4,364,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931,718.60 : 7,392,912.30 = 2,911,513.80 : x
  2. Step 2: Convert to fraction form
    4,931,718.60/7,392,912.30 = 2,911,513.80/x
  3. Step 3: Cross multiply
    4,931,718.60x = 7,392,912.30 × 2,911,513.80
  4. Step 4: Simplify right side
    4,931,718.60x = 21,524,566,183,639.74
  5. Step 5: Solve for x
    x = 21,524,566,183,639.74/4,931,718.60
  6. Step 6: Final answer
    x = 4,364,516.29

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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.