Home / 5,133,797.30-7,085,033.76-2,928,708.64

Finding the Fourth Proportional to 5,133,797.30, 7,085,033.76 and 2,928,708.64

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Solution

The fourth proportional to 5,133,797.30, 7,085,033.76 and 2,928,708.64 is: 4,041,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133,797.30 : 7,085,033.76 = 2,928,708.64 : x
  2. Step 2: Convert to fraction form
    5,133,797.30/7,085,033.76 = 2,928,708.64/x
  3. Step 3: Cross multiply
    5,133,797.30x = 7,085,033.76 × 2,928,708.64
  4. Step 4: Simplify right side
    5,133,797.30x = 20,749,999,587,603.69
  5. Step 5: Solve for x
    x = 20,749,999,587,603.69/5,133,797.30
  6. Step 6: Final answer
    x = 4,041,842.40

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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.