Home / 2,075,101.76-3,114,052.80-812,771.84

Finding the Fourth Proportional to 2,075,101.76, 3,114,052.80 and 812,771.84

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Solution

The fourth proportional to 2,075,101.76, 3,114,052.80 and 812,771.84 is: 1,219,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,101.76 : 3,114,052.80 = 812,771.84 : x
  2. Step 2: Convert to fraction form
    2,075,101.76/3,114,052.80 = 812,771.84/x
  3. Step 3: Cross multiply
    2,075,101.76x = 3,114,052.80 × 812,771.84
  4. Step 4: Simplify right side
    2,075,101.76x = 2,531,014,424,113.15
  5. Step 5: Solve for x
    x = 2,531,014,424,113.15/2,075,101.76
  6. Step 6: Final answer
    x = 1,219,706.17

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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.