Finding the Fourth Proportional to 5,205,737.25, 7,183,867.37 and 2,999,789.63
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Solution
The fourth proportional to 5,205,737.25, 7,183,867.37 and 2,999,789.63 is: 4,139,680.85
Step by Step Solution
- Step 1: Write the proportion equation
5,205,737.25 : 7,183,867.37 = 2,999,789.63 : x - Step 2: Convert to fraction form
5,205,737.25/7,183,867.37 = 2,999,789.63/x - Step 3: Cross multiply
5,205,737.25x = 7,183,867.37 × 2,999,789.63 - Step 4: Simplify right side
5,205,737.25x = 21,550,090,788,903.09 - Step 5: Solve for x
x = 21,550,090,788,903.09/5,205,737.25 - Step 6: Final answer
x = 4,139,680.85
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1.5x scale
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.