Home / 7,205,999.40-10,808,999.10-2,949,222.60

Finding the Fourth Proportional to 7,205,999.40, 10,808,999.10 and 2,949,222.60

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Solution

The fourth proportional to 7,205,999.40, 10,808,999.10 and 2,949,222.60 is: 4,423,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205,999.40 : 10,808,999.10 = 2,949,222.60 : x
  2. Step 2: Convert to fraction form
    7,205,999.40/10,808,999.10 = 2,949,222.60/x
  3. Step 3: Cross multiply
    7,205,999.40x = 10,808,999.10 × 2,949,222.60
  4. Step 4: Simplify right side
    7,205,999.40x = 31,878,144,429,099.66
  5. Step 5: Solve for x
    x = 31,878,144,429,099.66/7,205,999.40
  6. Step 6: Final answer
    x = 4,423,833.90

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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.