Finding the Fourth Proportional to 5,604,972.21, 7,735,433.09 and 3,430,952.05
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Solution
The fourth proportional to 5,604,972.21, 7,735,433.09 and 3,430,952.05 is: 4,735,063.62
Step by Step Solution
- Step 1: Write the proportion equation
5,604,972.21 : 7,735,433.09 = 3,430,952.05 : x - Step 2: Convert to fraction form
5,604,972.21/7,735,433.09 = 3,430,952.05/x - Step 3: Cross multiply
5,604,972.21x = 7,735,433.09 × 3,430,952.05 - Step 4: Simplify right side
5,604,972.21x = 26,539,900,017,773.33 - Step 5: Solve for x
x = 26,539,900,017,773.33/5,604,972.21 - Step 6: Final answer
x = 4,735,063.62
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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.