Home / 1,836,209.76-2,533,983.45-1,020,489.94

Finding the Fourth Proportional to 1,836,209.76, 2,533,983.45 and 1,020,489.94

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Solution

The fourth proportional to 1,836,209.76, 2,533,983.45 and 1,020,489.94 is: 1,408,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,209.76 : 2,533,983.45 = 1,020,489.94 : x
  2. Step 2: Convert to fraction form
    1,836,209.76/2,533,983.45 = 1,020,489.94/x
  3. Step 3: Cross multiply
    1,836,209.76x = 2,533,983.45 × 1,020,489.94
  4. Step 4: Simplify right side
    1,836,209.76x = 2,585,904,618,851.49
  5. Step 5: Solve for x
    x = 2,585,904,618,851.49/1,836,209.76
  6. Step 6: Final answer
    x = 1,408,283.89

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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.