Home / 2,152,190.53-2,970,157.25-1,185,320.57

Finding the Fourth Proportional to 2,152,190.53, 2,970,157.25 and 1,185,320.57

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Solution

The fourth proportional to 2,152,190.53, 2,970,157.25 and 1,185,320.57 is: 1,635,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,190.53 : 2,970,157.25 = 1,185,320.57 : x
  2. Step 2: Convert to fraction form
    2,152,190.53/2,970,157.25 = 1,185,320.57/x
  3. Step 3: Cross multiply
    2,152,190.53x = 2,970,157.25 × 1,185,320.57
  4. Step 4: Simplify right side
    2,152,190.53x = 3,520,588,463,782.24
  5. Step 5: Solve for x
    x = 3,520,588,463,782.24/2,152,190.53
  6. Step 6: Final answer
    x = 1,635,816.35

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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.