Home / 5,133,783.88-7,085,015.16-2,928,695.20

Finding the Fourth Proportional to 5,133,783.88, 7,085,015.16 and 2,928,695.20

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Solution

The fourth proportional to 5,133,783.88, 7,085,015.16 and 2,928,695.20 is: 4,041,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133,783.88 : 7,085,015.16 = 2,928,695.20 : x
  2. Step 2: Convert to fraction form
    5,133,783.88/7,085,015.16 = 2,928,695.20/x
  3. Step 3: Cross multiply
    5,133,783.88x = 7,085,015.16 × 2,928,695.20
  4. Step 4: Simplify right side
    5,133,783.88x = 20,749,849,891,019.23
  5. Step 5: Solve for x
    x = 20,749,849,891,019.23/5,133,783.88
  6. Step 6: Final answer
    x = 4,041,823.80

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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.