Home / 3,116,728.80-4,678,592.40-2,409,890.40

Finding the Fourth Proportional to 3,116,728.80, 4,678,592.40 and 2,409,890.40

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Solution

The fourth proportional to 3,116,728.80, 4,678,592.40 and 2,409,890.40 is: 3,617,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,728.80 : 4,678,592.40 = 2,409,890.40 : x
  2. Step 2: Convert to fraction form
    3,116,728.80/4,678,592.40 = 2,409,890.40/x
  3. Step 3: Cross multiply
    3,116,728.80x = 4,678,592.40 × 2,409,890.40
  4. Step 4: Simplify right side
    3,116,728.80x = 11,274,894,910,272.96
  5. Step 5: Solve for x
    x = 11,274,894,910,272.96/3,116,728.80
  6. Step 6: Final answer
    x = 3,617,541.22

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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.