Home / 1,792,307.70-2,688,461.55-1,687,245.30

Finding the Fourth Proportional to 1,792,307.70, 2,688,461.55 and 1,687,245.30

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Solution

The fourth proportional to 1,792,307.70, 2,688,461.55 and 1,687,245.30 is: 2,530,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,307.70 : 2,688,461.55 = 1,687,245.30 : x
  2. Step 2: Convert to fraction form
    1,792,307.70/2,688,461.55 = 1,687,245.30/x
  3. Step 3: Cross multiply
    1,792,307.70x = 2,688,461.55 × 1,687,245.30
  4. Step 4: Simplify right side
    1,792,307.70x = 4,536,094,114,468.22
  5. Step 5: Solve for x
    x = 4,536,094,114,468.22/1,792,307.70
  6. Step 6: Final answer
    x = 2,530,867.95

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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.