Finding the Fourth Proportional to 1,660,916.21, 2,292,064.29 and 896,969.70
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Solution
The fourth proportional to 1,660,916.21, 2,292,064.29 and 896,969.70 is: 1,237,818.15
Step by Step Solution
- Step 1: Write the proportion equation
1,660,916.21 : 2,292,064.29 = 896,969.70 : x - Step 2: Convert to fraction form
1,660,916.21/2,292,064.29 = 896,969.70/x - Step 3: Cross multiply
1,660,916.21x = 2,292,064.29 × 896,969.70 - Step 4: Simplify right side
1,660,916.21x = 2,055,912,218,582.01 - Step 5: Solve for x
x = 2,055,912,218,582.01/1,660,916.21 - Step 6: Final answer
x = 1,237,818.15
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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.