Finding the Fourth Proportional to 1,721,978.99, 2,376,352.79 and 947,698.97
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Solution
The fourth proportional to 1,721,978.99, 2,376,352.79 and 947,698.97 is: 1,307,836.57
Step by Step Solution
- Step 1: Write the proportion equation
1,721,978.99 : 2,376,352.79 = 947,698.97 : x - Step 2: Convert to fraction form
1,721,978.99/2,376,352.79 = 947,698.97/x - Step 3: Cross multiply
1,721,978.99x = 2,376,352.79 × 947,698.97 - Step 4: Simplify right side
1,721,978.99x = 2,252,067,086,701.13 - Step 5: Solve for x
x = 2,252,067,086,701.13/1,721,978.99 - Step 6: Final answer
x = 1,307,836.57
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.