Home / 2,686,506.15-4,029,759.23-2,155,065.15

Finding the Fourth Proportional to 2,686,506.15, 4,029,759.23 and 2,155,065.15

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Solution

The fourth proportional to 2,686,506.15, 4,029,759.23 and 2,155,065.15 is: 3,232,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,506.15 : 4,029,759.23 = 2,155,065.15 : x
  2. Step 2: Convert to fraction form
    2,686,506.15/4,029,759.23 = 2,155,065.15/x
  3. Step 3: Cross multiply
    2,686,506.15x = 4,029,759.23 × 2,155,065.15
  4. Step 4: Simplify right side
    2,686,506.15x = 8,684,393,668,688.51
  5. Step 5: Solve for x
    x = 8,684,393,668,688.51/2,686,506.15
  6. Step 6: Final answer
    x = 3,232,597.73

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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.