Finding the Fourth Proportional to 1,721,702.99, 2,375,969.96 and 986,642.71
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Solution
The fourth proportional to 1,721,702.99, 2,375,969.96 and 986,642.71 is: 1,361,578.30
Step by Step Solution
- Step 1: Write the proportion equation
1,721,702.99 : 2,375,969.96 = 986,642.71 : x - Step 2: Convert to fraction form
1,721,702.99/2,375,969.96 = 986,642.71/x - Step 3: Cross multiply
1,721,702.99x = 2,375,969.96 × 986,642.71 - Step 4: Simplify right side
1,721,702.99x = 2,344,233,436,739.67 - Step 5: Solve for x
x = 2,344,233,436,739.67/1,721,702.99 - Step 6: Final answer
x = 1,361,578.30
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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.