Home / 4,987,501.30-6,882,613.74-2,812,025.20

Finding the Fourth Proportional to 4,987,501.30, 6,882,613.74 and 2,812,025.20

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Solution

The fourth proportional to 4,987,501.30, 6,882,613.74 and 2,812,025.20 is: 3,880,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987,501.30 : 6,882,613.74 = 2,812,025.20 : x
  2. Step 2: Convert to fraction form
    4,987,501.30/6,882,613.74 = 2,812,025.20/x
  3. Step 3: Cross multiply
    4,987,501.30x = 6,882,613.74 × 2,812,025.20
  4. Step 4: Simplify right side
    4,987,501.30x = 19,354,083,278,746.25
  5. Step 5: Solve for x
    x = 19,354,083,278,746.25/4,987,501.30
  6. Step 6: Final answer
    x = 3,880,516.94

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1.5x scale

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.