Finding the Fourth Proportional to 4,998,699.78, 6,898,209.33 and 2,706,862.26
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Solution
The fourth proportional to 4,998,699.78, 6,898,209.33 and 2,706,862.26 is: 3,735,471.89
Step by Step Solution
- Step 1: Write the proportion equation
4,998,699.78 : 6,898,209.33 = 2,706,862.26 : x - Step 2: Convert to fraction form
4,998,699.78/6,898,209.33 = 2,706,862.26/x - Step 3: Cross multiply
4,998,699.78x = 6,898,209.33 × 2,706,862.26 - Step 4: Simplify right side
4,998,699.78x = 18,672,502,496,956.88 - Step 5: Solve for x
x = 18,672,502,496,956.88/4,998,699.78 - Step 6: Final answer
x = 3,735,471.89
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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.