Home / 6,817,812.80-10,226,719.20-1,769,123.30

Finding the Fourth Proportional to 6,817,812.80, 10,226,719.20 and 1,769,123.30

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Solution

The fourth proportional to 6,817,812.80, 10,226,719.20 and 1,769,123.30 is: 2,653,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817,812.80 : 10,226,719.20 = 1,769,123.30 : x
  2. Step 2: Convert to fraction form
    6,817,812.80/10,226,719.20 = 1,769,123.30/x
  3. Step 3: Cross multiply
    6,817,812.80x = 10,226,719.20 × 1,769,123.30
  4. Step 4: Simplify right side
    6,817,812.80x = 18,092,327,219,277.36
  5. Step 5: Solve for x
    x = 18,092,327,219,277.36/6,817,812.80
  6. Step 6: Final answer
    x = 2,653,684.95

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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.