Finding the Fourth Proportional to 1,721,356.40, 2,375,438.72 and 946,941.99
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Solution
The fourth proportional to 1,721,356.40, 2,375,438.72 and 946,941.99 is: 1,306,761.73
Step by Step Solution
- Step 1: Write the proportion equation
1,721,356.40 : 2,375,438.72 = 946,941.99 : x - Step 2: Convert to fraction form
1,721,356.40/2,375,438.72 = 946,941.99/x - Step 3: Cross multiply
1,721,356.40x = 2,375,438.72 × 946,941.99 - Step 4: Simplify right side
1,721,356.40x = 2,249,402,663,905.14 - Step 5: Solve for x
x = 2,249,402,663,905.14/1,721,356.40 - Step 6: Final answer
x = 1,306,761.73
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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.