Home / 5,450,515.45-8,177,038.76-1,856,313.59

Finding the Fourth Proportional to 5,450,515.45, 8,177,038.76 and 1,856,313.59

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Solution

The fourth proportional to 5,450,515.45, 8,177,038.76 and 1,856,313.59 is: 2,784,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450,515.45 : 8,177,038.76 = 1,856,313.59 : x
  2. Step 2: Convert to fraction form
    5,450,515.45/8,177,038.76 = 1,856,313.59/x
  3. Step 3: Cross multiply
    5,450,515.45x = 8,177,038.76 × 1,856,313.59
  4. Step 4: Simplify right side
    5,450,515.45x = 15,179,148,139,900.34
  5. Step 5: Solve for x
    x = 15,179,148,139,900.34/5,450,515.45
  6. Step 6: Final answer
    x = 2,784,901.41

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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.