Finding the Fourth Proportional to 1,346,570.93, 2,028,851.75 and 1,218,658.97
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Solution
The fourth proportional to 1,346,570.93, 2,028,851.75 and 1,218,658.97 is: 1,836,129.34
Step by Step Solution
- Step 1: Write the proportion equation
1,346,570.93 : 2,028,851.75 = 1,218,658.97 : x - Step 2: Convert to fraction form
1,346,570.93/2,028,851.75 = 1,218,658.97/x - Step 3: Cross multiply
1,346,570.93x = 2,028,851.75 × 1,218,658.97 - Step 4: Simplify right side
1,346,570.93x = 2,472,478,392,056.47 - Step 5: Solve for x
x = 2,472,478,392,056.47/1,346,570.93 - Step 6: Final answer
x = 1,836,129.34
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.