Finding the Fourth Proportional to 2,143,269.08, 2,957,700.96 and 1,176,415.82
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Solution
The fourth proportional to 2,143,269.08, 2,957,700.96 and 1,176,415.82 is: 1,623,448.14
Step by Step Solution
- Step 1: Write the proportion equation
2,143,269.08 : 2,957,700.96 = 1,176,415.82 : x - Step 2: Convert to fraction form
2,143,269.08/2,957,700.96 = 1,176,415.82/x - Step 3: Cross multiply
2,143,269.08x = 2,957,700.96 × 1,176,415.82 - Step 4: Simplify right side
2,143,269.08x = 3,479,486,200,173.19 - Step 5: Solve for x
x = 3,479,486,200,173.19/2,143,269.08 - Step 6: Final answer
x = 1,623,448.14
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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.