Finding the Fourth Proportional to 1,350,355.48, 1,863,719.70 and 777,727.18
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Solution
The fourth proportional to 1,350,355.48, 1,863,719.70 and 777,727.18 is: 1,073,395.48
Step by Step Solution
- Step 1: Write the proportion equation
1,350,355.48 : 1,863,719.70 = 777,727.18 : x - Step 2: Convert to fraction form
1,350,355.48/1,863,719.70 = 777,727.18/x - Step 3: Cross multiply
1,350,355.48x = 1,863,719.70 × 777,727.18 - Step 4: Simplify right side
1,350,355.48x = 1,449,465,466,591.45 - Step 5: Solve for x
x = 1,449,465,466,591.45/1,350,355.48 - Step 6: Final answer
x = 1,073,395.48
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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.