Finding the Fourth Proportional to 1,581,435.55, 2,371,797.60 and 727,688.26
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Solution
The fourth proportional to 1,581,435.55, 2,371,797.60 and 727,688.26 is: 1,091,368.71
Step by Step Solution
- Step 1: Write the proportion equation
1,581,435.55 : 2,371,797.60 = 727,688.26 : x - Step 2: Convert to fraction form
1,581,435.55/2,371,797.60 = 727,688.26/x - Step 3: Cross multiply
1,581,435.55x = 2,371,797.60 × 727,688.26 - Step 4: Simplify right side
1,581,435.55x = 1,725,929,268,616.18 - Step 5: Solve for x
x = 1,725,929,268,616.18/1,581,435.55 - Step 6: Final answer
x = 1,091,368.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.