Finding the Fourth Proportional to 3,165,843.40, 4,368,867.58 and 1,715,526.14
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Solution
The fourth proportional to 3,165,843.40, 4,368,867.58 and 1,715,526.14 is: 2,367,428.07
Step by Step Solution
- Step 1: Write the proportion equation
3,165,843.40 : 4,368,867.58 = 1,715,526.14 : x - Step 2: Convert to fraction form
3,165,843.40/4,368,867.58 = 1,715,526.14/x - Step 3: Cross multiply
3,165,843.40x = 4,368,867.58 × 1,715,526.14 - Step 4: Simplify right side
3,165,843.40x = 7,494,906,535,688.54 - Step 5: Solve for x
x = 7,494,906,535,688.54/3,165,843.40 - Step 6: Final answer
x = 2,367,428.07
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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.