Home / 4,749,999.80-7,124,999.70-1,384,316.60

Finding the Fourth Proportional to 4,749,999.80, 7,124,999.70 and 1,384,316.60

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Solution

The fourth proportional to 4,749,999.80, 7,124,999.70 and 1,384,316.60 is: 2,076,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749,999.80 : 7,124,999.70 = 1,384,316.60 : x
  2. Step 2: Convert to fraction form
    4,749,999.80/7,124,999.70 = 1,384,316.60/x
  3. Step 3: Cross multiply
    4,749,999.80x = 7,124,999.70 × 1,384,316.60
  4. Step 4: Simplify right side
    4,749,999.80x = 9,863,255,359,705.02
  5. Step 5: Solve for x
    x = 9,863,255,359,705.02/4,749,999.80
  6. Step 6: Final answer
    x = 2,076,474.90

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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.