Finding the Fourth Proportional to 5,395,092.18, 7,445,140.30 and 2,947,650.68
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Solution
The fourth proportional to 5,395,092.18, 7,445,140.30 and 2,947,650.68 is: 4,067,710.46
Step by Step Solution
- Step 1: Write the proportion equation
5,395,092.18 : 7,445,140.30 = 2,947,650.68 : x - Step 2: Convert to fraction form
5,395,092.18/7,445,140.30 = 2,947,650.68/x - Step 3: Cross multiply
5,395,092.18x = 7,445,140.30 × 2,947,650.68 - Step 4: Simplify right side
5,395,092.18x = 21,945,672,867,990.41 - Step 5: Solve for x
x = 21,945,672,867,990.41/5,395,092.18 - Step 6: Final answer
x = 4,067,710.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.