Finding the Fourth Proportional to 1,721,795.94, 2,376,067.23 and 947,474.01
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Solution
The fourth proportional to 1,721,795.94, 2,376,067.23 and 947,474.01 is: 1,307,507.99
Step by Step Solution
- Step 1: Write the proportion equation
1,721,795.94 : 2,376,067.23 = 947,474.01 : x - Step 2: Convert to fraction form
1,721,795.94/2,376,067.23 = 947,474.01/x - Step 3: Cross multiply
1,721,795.94x = 2,376,067.23 × 947,474.01 - Step 4: Simplify right side
1,721,795.94x = 2,251,261,946,437.69 - Step 5: Solve for x
x = 2,251,261,946,437.69/1,721,795.94 - Step 6: Final answer
x = 1,307,507.99
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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.