Home / 2,075,636.80-3,113,163.60-655,836.40

Finding the Fourth Proportional to 2,075,636.80, 3,113,163.60 and 655,836.40

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Solution

The fourth proportional to 2,075,636.80, 3,113,163.60 and 655,836.40 is: 983,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,636.80 : 3,113,163.60 = 655,836.40 : x
  2. Step 2: Convert to fraction form
    2,075,636.80/3,113,163.60 = 655,836.40/x
  3. Step 3: Cross multiply
    2,075,636.80x = 3,113,163.60 × 655,836.40
  4. Step 4: Simplify right side
    2,075,636.80x = 2,041,726,008,035.04
  5. Step 5: Solve for x
    x = 2,041,726,008,035.04/2,075,636.80
  6. Step 6: Final answer
    x = 983,662.46

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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.