Home / 2,905,809.46-4,008,347.21-1,816,190.02

Finding the Fourth Proportional to 2,905,809.46, 4,008,347.21 and 1,816,190.02

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Solution

The fourth proportional to 2,905,809.46, 4,008,347.21 and 1,816,190.02 is: 2,505,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,809.46 : 4,008,347.21 = 1,816,190.02 : x
  2. Step 2: Convert to fraction form
    2,905,809.46/4,008,347.21 = 1,816,190.02/x
  3. Step 3: Cross multiply
    2,905,809.46x = 4,008,347.21 × 1,816,190.02
  4. Step 4: Simplify right side
    2,905,809.46x = 7,279,920,199,496.84
  5. Step 5: Solve for x
    x = 7,279,920,199,496.84/2,905,809.46
  6. Step 6: Final answer
    x = 2,505,298.54

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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.