Finding the Fourth Proportional to 3,430,293.26, 5,138,579.54 and 2,063,312.15
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Solution
The fourth proportional to 3,430,293.26, 5,138,579.54 and 2,063,312.15 is: 3,090,841.74
Step by Step Solution
- Step 1: Write the proportion equation
3,430,293.26 : 5,138,579.54 = 2,063,312.15 : x - Step 2: Convert to fraction form
3,430,293.26/5,138,579.54 = 2,063,312.15/x - Step 3: Cross multiply
3,430,293.26x = 5,138,579.54 × 2,063,312.15 - Step 4: Simplify right side
3,430,293.26x = 10,602,493,578,088.79 - Step 5: Solve for x
x = 10,602,493,578,088.79/3,430,293.26 - Step 6: Final answer
x = 3,090,841.74
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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.