Home / 6,909,955.20-10,365,710.40-2,117,606.40

Finding the Fourth Proportional to 6,909,955.20, 10,365,710.40 and 2,117,606.40

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Solution

The fourth proportional to 6,909,955.20, 10,365,710.40 and 2,117,606.40 is: 3,176,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,955.20 : 10,365,710.40 = 2,117,606.40 : x
  2. Step 2: Convert to fraction form
    6,909,955.20/10,365,710.40 = 2,117,606.40/x
  3. Step 3: Cross multiply
    6,909,955.20x = 10,365,710.40 × 2,117,606.40
  4. Step 4: Simplify right side
    6,909,955.20x = 21,950,494,683,586.56
  5. Step 5: Solve for x
    x = 21,950,494,683,586.56/6,909,955.20
  6. Step 6: Final answer
    x = 3,176,647.90

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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.