Home / 2,767,738.60-4,154,718.30-2,139,437.80

Finding the Fourth Proportional to 2,767,738.60, 4,154,718.30 and 2,139,437.80

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Solution

The fourth proportional to 2,767,738.60, 4,154,718.30 and 2,139,437.80 is: 3,211,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,738.60 : 4,154,718.30 = 2,139,437.80 : x
  2. Step 2: Convert to fraction form
    2,767,738.60/4,154,718.30 = 2,139,437.80/x
  3. Step 3: Cross multiply
    2,767,738.60x = 4,154,718.30 × 2,139,437.80
  4. Step 4: Simplify right side
    2,767,738.60x = 8,888,761,379,371.74
  5. Step 5: Solve for x
    x = 8,888,761,379,371.74/2,767,738.60
  6. Step 6: Final answer
    x = 3,211,561.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.