Finding the Fourth Proportional to 6,390,759.33, 8,819,307.99 and 3,637,311.75
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Solution
The fourth proportional to 6,390,759.33, 8,819,307.99 and 3,637,311.75 is: 5,019,524.43
Step by Step Solution
- Step 1: Write the proportion equation
6,390,759.33 : 8,819,307.99 = 3,637,311.75 : x - Step 2: Convert to fraction form
6,390,759.33/8,819,307.99 = 3,637,311.75/x - Step 3: Cross multiply
6,390,759.33x = 8,819,307.99 × 3,637,311.75 - Step 4: Simplify right side
6,390,759.33x = 32,078,572,578,895.88 - Step 5: Solve for x
x = 32,078,572,578,895.88/6,390,759.33 - Step 6: Final answer
x = 5,019,524.43
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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.