Home / 2,800,526.70-4,190,292.45-1,855,742.70

Finding the Fourth Proportional to 2,800,526.70, 4,190,292.45 and 1,855,742.70

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Solution

The fourth proportional to 2,800,526.70, 4,190,292.45 and 1,855,742.70 is: 2,776,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,526.70 : 4,190,292.45 = 1,855,742.70 : x
  2. Step 2: Convert to fraction form
    2,800,526.70/4,190,292.45 = 1,855,742.70/x
  3. Step 3: Cross multiply
    2,800,526.70x = 4,190,292.45 × 1,855,742.70
  4. Step 4: Simplify right side
    2,800,526.70x = 7,776,104,624,952.62
  5. Step 5: Solve for x
    x = 7,776,104,624,952.62/2,800,526.70
  6. Step 6: Final answer
    x = 2,776,657.91

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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.