Finding the Fourth Proportional to 5,071,588.98, 6,998,962.05 and 2,779,755.54
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Solution
The fourth proportional to 5,071,588.98, 6,998,962.05 and 2,779,755.54 is: 3,836,155.42
Step by Step Solution
- Step 1: Write the proportion equation
5,071,588.98 : 6,998,962.05 = 2,779,755.54 : x - Step 2: Convert to fraction form
5,071,588.98/6,998,962.05 = 2,779,755.54/x - Step 3: Cross multiply
5,071,588.98x = 6,998,962.05 × 2,779,755.54 - Step 4: Simplify right side
5,071,588.98x = 19,455,403,532,737.26 - Step 5: Solve for x
x = 19,455,403,532,737.26/5,071,588.98 - Step 6: Final answer
x = 3,836,155.42
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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.