Finding the Fourth Proportional to 5,435,817.69, 7,501,237.20 and 2,988,410.99
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Solution
The fourth proportional to 5,435,817.69, 7,501,237.20 and 2,988,410.99 is: 4,123,902.04
Step by Step Solution
- Step 1: Write the proportion equation
5,435,817.69 : 7,501,237.20 = 2,988,410.99 : x - Step 2: Convert to fraction form
5,435,817.69/7,501,237.20 = 2,988,410.99/x - Step 3: Cross multiply
5,435,817.69x = 7,501,237.20 × 2,988,410.99 - Step 4: Simplify right side
5,435,817.69x = 22,416,779,687,076.83 - Step 5: Solve for x
x = 22,416,779,687,076.83/5,435,817.69 - Step 6: Final answer
x = 4,123,902.04
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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.