Finding the Fourth Proportional to 3,854,135.30, 5,318,497.23 and 2,135,153.30
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Solution
The fourth proportional to 3,854,135.30, 5,318,497.23 and 2,135,153.30 is: 2,946,395.50
Step by Step Solution
- Step 1: Write the proportion equation
3,854,135.30 : 5,318,497.23 = 2,135,153.30 : x - Step 2: Convert to fraction form
3,854,135.30/5,318,497.23 = 2,135,153.30/x - Step 3: Cross multiply
3,854,135.30x = 5,318,497.23 × 2,135,153.30 - Step 4: Simplify right side
3,854,135.30x = 11,355,806,911,675.36 - Step 5: Solve for x
x = 11,355,806,911,675.36/3,854,135.30 - Step 6: Final answer
x = 2,946,395.50
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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.