Home / 1,819,359.45-2,728,656.45-919,955.70

Finding the Fourth Proportional to 1,819,359.45, 2,728,656.45 and 919,955.70

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Solution

The fourth proportional to 1,819,359.45, 2,728,656.45 and 919,955.70 is: 1,379,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,359.45 : 2,728,656.45 = 919,955.70 : x
  2. Step 2: Convert to fraction form
    1,819,359.45/2,728,656.45 = 919,955.70/x
  3. Step 3: Cross multiply
    1,819,359.45x = 2,728,656.45 × 919,955.70
  4. Step 4: Simplify right side
    1,819,359.45x = 2,510,243,054,519.27
  5. Step 5: Solve for x
    x = 2,510,243,054,519.27/1,819,359.45
  6. Step 6: Final answer
    x = 1,379,740.03

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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.