Finding the Fourth Proportional to 5,103,827.18, 7,043,408.34 and 3,142,962.98
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Solution
The fourth proportional to 5,103,827.18, 7,043,408.34 and 3,142,962.98 is: 4,337,367.02
Step by Step Solution
- Step 1: Write the proportion equation
5,103,827.18 : 7,043,408.34 = 3,142,962.98 : x - Step 2: Convert to fraction form
5,103,827.18/7,043,408.34 = 3,142,962.98/x - Step 3: Cross multiply
5,103,827.18x = 7,043,408.34 × 3,142,962.98 - Step 4: Simplify right side
5,103,827.18x = 22,137,171,665,643.25 - Step 5: Solve for x
x = 22,137,171,665,643.25/5,103,827.18 - Step 6: Final answer
x = 4,337,367.02
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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.