Home / 2,712,138.37-4,069,348.83-1,688,325.58

Finding the Fourth Proportional to 2,712,138.37, 4,069,348.83 and 1,688,325.58

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Solution

The fourth proportional to 2,712,138.37, 4,069,348.83 and 1,688,325.58 is: 2,533,198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,138.37 : 4,069,348.83 = 1,688,325.58 : x
  2. Step 2: Convert to fraction form
    2,712,138.37/4,069,348.83 = 1,688,325.58/x
  3. Step 3: Cross multiply
    2,712,138.37x = 4,069,348.83 × 1,688,325.58
  4. Step 4: Simplify right side
    2,712,138.37x = 6,870,385,713,458.70
  5. Step 5: Solve for x
    x = 6,870,385,713,458.70/2,712,138.37
  6. Step 6: Final answer
    x = 2,533,198.82

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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.