Home / 5,390,006.40-8,074,123.20-3,362,025.60

Finding the Fourth Proportional to 5,390,006.40, 8,074,123.20 and 3,362,025.60

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Solution

The fourth proportional to 5,390,006.40, 8,074,123.20 and 3,362,025.60 is: 5,036,247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,006.40 : 8,074,123.20 = 3,362,025.60 : x
  2. Step 2: Convert to fraction form
    5,390,006.40/8,074,123.20 = 3,362,025.60/x
  3. Step 3: Cross multiply
    5,390,006.40x = 8,074,123.20 × 3,362,025.60
  4. Step 4: Simplify right side
    5,390,006.40x = 27,145,408,895,953.92
  5. Step 5: Solve for x
    x = 27,145,408,895,953.92/5,390,006.40
  6. Step 6: Final answer
    x = 5,036,247.99

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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.