Home / 2,812,205.01-4,218,526.24-919,137.81

Finding the Fourth Proportional to 2,812,205.01, 4,218,526.24 and 919,137.81

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Solution

The fourth proportional to 2,812,205.01, 4,218,526.24 and 919,137.81 is: 1,378,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,205.01 : 4,218,526.24 = 919,137.81 : x
  2. Step 2: Convert to fraction form
    2,812,205.01/4,218,526.24 = 919,137.81/x
  3. Step 3: Cross multiply
    2,812,205.01x = 4,218,526.24 × 919,137.81
  4. Step 4: Simplify right side
    2,812,205.01x = 3,877,406,983,182.76
  5. Step 5: Solve for x
    x = 3,877,406,983,182.76/2,812,205.01
  6. Step 6: Final answer
    x = 1,378,778.21

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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.