Home / 1,836,005.81-2,533,654.40-1,020,194.64

Finding the Fourth Proportional to 1,836,005.81, 2,533,654.40 and 1,020,194.64

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Solution

The fourth proportional to 1,836,005.81, 2,533,654.40 and 1,020,194.64 is: 1,407,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,005.81 : 2,533,654.40 = 1,020,194.64 : x
  2. Step 2: Convert to fraction form
    1,836,005.81/2,533,654.40 = 1,020,194.64/x
  3. Step 3: Cross multiply
    1,836,005.81x = 2,533,654.40 × 1,020,194.64
  4. Step 4: Simplify right side
    1,836,005.81x = 2,584,820,633,391.44
  5. Step 5: Solve for x
    x = 2,584,820,633,391.44/1,836,005.81
  6. Step 6: Final answer
    x = 1,407,849.92

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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.