Home / 1,867,828.98-2,786,266.50-1,812,765.78

Finding the Fourth Proportional to 1,867,828.98, 2,786,266.50 and 1,812,765.78

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Solution

The fourth proportional to 1,867,828.98, 2,786,266.50 and 1,812,765.78 is: 2,704,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,828.98 : 2,786,266.50 = 1,812,765.78 : x
  2. Step 2: Convert to fraction form
    1,867,828.98/2,786,266.50 = 1,812,765.78/x
  3. Step 3: Cross multiply
    1,867,828.98x = 2,786,266.50 × 1,812,765.78
  4. Step 4: Simplify right side
    1,867,828.98x = 5,050,848,565,160.37
  5. Step 5: Solve for x
    x = 5,050,848,565,160.37/1,867,828.98
  6. Step 6: Final answer
    x = 2,704,127.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.