Home / 3,783,215.57-5,220,963.50-2,064,430.40

Finding the Fourth Proportional to 3,783,215.57, 5,220,963.50 and 2,064,430.40

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Solution

The fourth proportional to 3,783,215.57, 5,220,963.50 and 2,064,430.40 is: 2,848,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,215.57 : 5,220,963.50 = 2,064,430.40 : x
  2. Step 2: Convert to fraction form
    3,783,215.57/5,220,963.50 = 2,064,430.40/x
  3. Step 3: Cross multiply
    3,783,215.57x = 5,220,963.50 × 2,064,430.40
  4. Step 4: Simplify right side
    3,783,215.57x = 10,778,315,769,420.66
  5. Step 5: Solve for x
    x = 10,778,315,769,420.66/3,783,215.57
  6. Step 6: Final answer
    x = 2,848,982.71

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1.5x scale

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.