Finding the Fourth Proportional to 1,581,468.08, 2,182,427.28 and 856,316.18
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Solution
The fourth proportional to 1,581,468.08, 2,182,427.28 and 856,316.18 is: 1,181,717.05
Step by Step Solution
- Step 1: Write the proportion equation
1,581,468.08 : 2,182,427.28 = 856,316.18 : x - Step 2: Convert to fraction form
1,581,468.08/2,182,427.28 = 856,316.18/x - Step 3: Cross multiply
1,581,468.08x = 2,182,427.28 × 856,316.18 - Step 4: Simplify right side
1,581,468.08x = 1,868,847,791,537.39 - Step 5: Solve for x
x = 1,868,847,791,537.39/1,581,468.08 - Step 6: Final answer
x = 1,181,717.05
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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.