Home / 2,186,074.90-3,281,569.95-1,689,639.70

Finding the Fourth Proportional to 2,186,074.90, 3,281,569.95 and 1,689,639.70

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Solution

The fourth proportional to 2,186,074.90, 3,281,569.95 and 1,689,639.70 is: 2,536,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,074.90 : 3,281,569.95 = 1,689,639.70 : x
  2. Step 2: Convert to fraction form
    2,186,074.90/3,281,569.95 = 1,689,639.70/x
  3. Step 3: Cross multiply
    2,186,074.90x = 3,281,569.95 × 1,689,639.70
  4. Step 4: Simplify right side
    2,186,074.90x = 5,544,670,865,847.02
  5. Step 5: Solve for x
    x = 5,544,670,865,847.02/2,186,074.90
  6. Step 6: Final answer
    x = 2,536,359.05

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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.