Finding the Fourth Proportional to 1,660,862.70, 2,291,990.51 and 896,916.20
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Solution
The fourth proportional to 1,660,862.70, 2,291,990.51 and 896,916.20 is: 1,237,744.34
Step by Step Solution
- Step 1: Write the proportion equation
1,660,862.70 : 2,291,990.51 = 896,916.20 : x - Step 2: Convert to fraction form
1,660,862.70/2,291,990.51 = 896,916.20/x - Step 3: Cross multiply
1,660,862.70x = 2,291,990.51 × 896,916.20 - Step 4: Simplify right side
1,660,862.70x = 2,055,723,409,447.60 - Step 5: Solve for x
x = 2,055,723,409,447.60/1,660,862.70 - Step 6: Final answer
x = 1,237,744.34
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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.