Home / 2,121,938.64-2,928,272.04-1,155,065.94

Finding the Fourth Proportional to 2,121,938.64, 2,928,272.04 and 1,155,065.94

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Solution

The fourth proportional to 2,121,938.64, 2,928,272.04 and 1,155,065.94 is: 1,593,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,938.64 : 2,928,272.04 = 1,155,065.94 : x
  2. Step 2: Convert to fraction form
    2,121,938.64/2,928,272.04 = 1,155,065.94/x
  3. Step 3: Cross multiply
    2,121,938.64x = 2,928,272.04 × 1,155,065.94
  4. Step 4: Simplify right side
    2,121,938.64x = 3,382,347,296,458.32
  5. Step 5: Solve for x
    x = 3,382,347,296,458.32/2,121,938.64
  6. Step 6: Final answer
    x = 1,593,989.21

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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.