Home / 5,183,677.37-7,153,477.85-2,891,838.06

Finding the Fourth Proportional to 5,183,677.37, 7,153,477.85 and 2,891,838.06

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Solution

The fourth proportional to 5,183,677.37, 7,153,477.85 and 2,891,838.06 is: 3,990,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,677.37 : 7,153,477.85 = 2,891,838.06 : x
  2. Step 2: Convert to fraction form
    5,183,677.37/7,153,477.85 = 2,891,838.06/x
  3. Step 3: Cross multiply
    5,183,677.37x = 7,153,477.85 × 2,891,838.06
  4. Step 4: Simplify right side
    5,183,677.37x = 20,686,699,497,033.76
  5. Step 5: Solve for x
    x = 20,686,699,497,033.76/5,183,677.37
  6. Step 6: Final answer
    x = 3,990,738.24

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Double scale
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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.