Home / 2,167,935.12-2,991,632.64-1,201,007.74

Finding the Fourth Proportional to 2,167,935.12, 2,991,632.64 and 1,201,007.74

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Solution

The fourth proportional to 2,167,935.12, 2,991,632.64 and 1,201,007.74 is: 1,657,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,935.12 : 2,991,632.64 = 1,201,007.74 : x
  2. Step 2: Convert to fraction form
    2,167,935.12/2,991,632.64 = 1,201,007.74/x
  3. Step 3: Cross multiply
    2,167,935.12x = 2,991,632.64 × 1,201,007.74
  4. Step 4: Simplify right side
    2,167,935.12x = 3,592,973,955,876.63
  5. Step 5: Solve for x
    x = 3,592,973,955,876.63/2,167,935.12
  6. Step 6: Final answer
    x = 1,657,325.41

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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.