Finding the Fourth Proportional to 5,193,298.44, 7,167,024.27 and 3,128,961.78
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Solution
The fourth proportional to 5,193,298.44, 7,167,024.27 and 3,128,961.78 is: 4,318,131.39
Step by Step Solution
- Step 1: Write the proportion equation
5,193,298.44 : 7,167,024.27 = 3,128,961.78 : x - Step 2: Convert to fraction form
5,193,298.44/7,167,024.27 = 3,128,961.78/x - Step 3: Cross multiply
5,193,298.44x = 7,167,024.27 × 3,128,961.78 - Step 4: Simplify right side
5,193,298.44x = 22,425,345,017,162.40 - Step 5: Solve for x
x = 22,425,345,017,162.40/5,193,298.44 - Step 6: Final answer
x = 4,318,131.39
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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.