Home / 3,518,381.81-4,855,334.10-1,990,488.94

Finding the Fourth Proportional to 3,518,381.81, 4,855,334.10 and 1,990,488.94

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Solution

The fourth proportional to 3,518,381.81, 4,855,334.10 and 1,990,488.94 is: 2,746,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,381.81 : 4,855,334.10 = 1,990,488.94 : x
  2. Step 2: Convert to fraction form
    3,518,381.81/4,855,334.10 = 1,990,488.94/x
  3. Step 3: Cross multiply
    3,518,381.81x = 4,855,334.10 × 1,990,488.94
  4. Step 4: Simplify right side
    3,518,381.81x = 9,664,488,806,452.19
  5. Step 5: Solve for x
    x = 9,664,488,806,452.19/3,518,381.81
  6. Step 6: Final answer
    x = 2,746,856.17

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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.