Home / 3,758,510.70-5,186,758.32-2,039,630.76

Finding the Fourth Proportional to 3,758,510.70, 5,186,758.32 and 2,039,630.76

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Solution

The fourth proportional to 3,758,510.70, 5,186,758.32 and 2,039,630.76 is: 2,814,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758,510.70 : 5,186,758.32 = 2,039,630.76 : x
  2. Step 2: Convert to fraction form
    3,758,510.70/5,186,758.32 = 2,039,630.76/x
  3. Step 3: Cross multiply
    3,758,510.70x = 5,186,758.32 × 2,039,630.76
  4. Step 4: Simplify right side
    3,758,510.70x = 10,579,071,814,157.92
  5. Step 5: Solve for x
    x = 10,579,071,814,157.92/3,758,510.70
  6. Step 6: Final answer
    x = 2,814,697.80

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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.