Home / 2,043,140.72-2,819,661.54-1,125,369.68

Finding the Fourth Proportional to 2,043,140.72, 2,819,661.54 and 1,125,369.68

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Solution

The fourth proportional to 2,043,140.72, 2,819,661.54 and 1,125,369.68 is: 1,553,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043,140.72 : 2,819,661.54 = 1,125,369.68 : x
  2. Step 2: Convert to fraction form
    2,043,140.72/2,819,661.54 = 1,125,369.68/x
  3. Step 3: Cross multiply
    2,043,140.72x = 2,819,661.54 × 1,125,369.68
  4. Step 4: Simplify right side
    2,043,140.72x = 3,173,161,604,978.11
  5. Step 5: Solve for x
    x = 3,173,161,604,978.11/2,043,140.72
  6. Step 6: Final answer
    x = 1,553,080.30

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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.