Finding the Fourth Proportional to 5,638,039.68, 8,458,108.80 and 2,564,251.68
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Solution
The fourth proportional to 5,638,039.68, 8,458,108.80 and 2,564,251.68 is: 3,846,854.75
Step by Step Solution
- Step 1: Write the proportion equation
5,638,039.68 : 8,458,108.80 = 2,564,251.68 : x - Step 2: Convert to fraction form
5,638,039.68/8,458,108.80 = 2,564,251.68/x - Step 3: Cross multiply
5,638,039.68x = 8,458,108.80 × 2,564,251.68 - Step 4: Simplify right side
5,638,039.68x = 21,688,719,700,022.79 - Step 5: Solve for x
x = 21,688,719,700,022.79/5,638,039.68 - Step 6: Final answer
x = 3,846,854.75
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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.