Home / 2,159,978.64-2,954,866.26-2,150,880.72

Finding the Fourth Proportional to 2,159,978.64, 2,954,866.26 and 2,150,880.72

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Solution

The fourth proportional to 2,159,978.64, 2,954,866.26 and 2,150,880.72 is: 2,942,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,978.64 : 2,954,866.26 = 2,150,880.72 : x
  2. Step 2: Convert to fraction form
    2,159,978.64/2,954,866.26 = 2,150,880.72/x
  3. Step 3: Cross multiply
    2,159,978.64x = 2,954,866.26 × 2,150,880.72
  4. Step 4: Simplify right side
    2,159,978.64x = 6,355,564,868,812.51
  5. Step 5: Solve for x
    x = 6,355,564,868,812.51/2,159,978.64
  6. Step 6: Final answer
    x = 2,942,420.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.