Finding the Fourth Proportional to 3,158,403.94, 4,739,472.15 and 1,165,259.62
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Solution
The fourth proportional to 3,158,403.94, 4,739,472.15 and 1,165,259.62 is: 1,748,577.96
Step by Step Solution
- Step 1: Write the proportion equation
3,158,403.94 : 4,739,472.15 = 1,165,259.62 : x - Step 2: Convert to fraction form
3,158,403.94/4,739,472.15 = 1,165,259.62/x - Step 3: Cross multiply
3,158,403.94x = 4,739,472.15 × 1,165,259.62 - Step 4: Simplify right side
3,158,403.94x = 5,522,715,516,509.58 - Step 5: Solve for x
x = 5,522,715,516,509.58/3,158,403.94 - Step 6: Final answer
x = 1,748,577.96
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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.