Home / 4,318,194.15-6,477,299.40-1,123,315.20

Finding the Fourth Proportional to 4,318,194.15, 6,477,299.40 and 1,123,315.20

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Solution

The fourth proportional to 4,318,194.15, 6,477,299.40 and 1,123,315.20 is: 1,684,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318,194.15 : 6,477,299.40 = 1,123,315.20 : x
  2. Step 2: Convert to fraction form
    4,318,194.15/6,477,299.40 = 1,123,315.20/x
  3. Step 3: Cross multiply
    4,318,194.15x = 6,477,299.40 × 1,123,315.20
  4. Step 4: Simplify right side
    4,318,194.15x = 7,276,048,870,970.88
  5. Step 5: Solve for x
    x = 7,276,048,870,970.88/4,318,194.15
  6. Step 6: Final answer
    x = 1,684,974.93

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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.