Home / 2,688,260.32-3,707,307.36-1,961,957.60

Finding the Fourth Proportional to 2,688,260.32, 3,707,307.36 and 1,961,957.60

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Solution

The fourth proportional to 2,688,260.32, 3,707,307.36 and 1,961,957.60 is: 2,705,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,260.32 : 3,707,307.36 = 1,961,957.60 : x
  2. Step 2: Convert to fraction form
    2,688,260.32/3,707,307.36 = 1,961,957.60/x
  3. Step 3: Cross multiply
    2,688,260.32x = 3,707,307.36 × 1,961,957.60
  4. Step 4: Simplify right side
    2,688,260.32x = 7,273,579,850,487.94
  5. Step 5: Solve for x
    x = 7,273,579,850,487.94/2,688,260.32
  6. Step 6: Final answer
    x = 2,705,682.85

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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.