Finding the Fourth Proportional to 4,878,403.25, 6,732,107.37 and 2,702,938.46
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Solution
The fourth proportional to 4,878,403.25, 6,732,107.37 and 2,702,938.46 is: 3,730,005.70
Step by Step Solution
- Step 1: Write the proportion equation
4,878,403.25 : 6,732,107.37 = 2,702,938.46 : x - Step 2: Convert to fraction form
4,878,403.25/6,732,107.37 = 2,702,938.46/x - Step 3: Cross multiply
4,878,403.25x = 6,732,107.37 × 2,702,938.46 - Step 4: Simplify right side
4,878,403.25x = 18,196,471,893,561.91 - Step 5: Solve for x
x = 18,196,471,893,561.91/4,878,403.25 - Step 6: Final answer
x = 3,730,005.70
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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.