Home / 5,100,509.41-7,038,167.85-2,894,669.80

Finding the Fourth Proportional to 5,100,509.41, 7,038,167.85 and 2,894,669.80

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Solution

The fourth proportional to 5,100,509.41, 7,038,167.85 and 2,894,669.80 is: 3,994,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,509.41 : 7,038,167.85 = 2,894,669.80 : x
  2. Step 2: Convert to fraction form
    5,100,509.41/7,038,167.85 = 2,894,669.80/x
  3. Step 3: Cross multiply
    5,100,509.41x = 7,038,167.85 × 2,894,669.80
  4. Step 4: Simplify right side
    5,100,509.41x = 20,373,171,905,130.51
  5. Step 5: Solve for x
    x = 20,373,171,905,130.51/5,100,509.41
  6. Step 6: Final answer
    x = 3,994,340.62

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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.