Finding the Fourth Proportional to 2,427,193.80, 3,349,541.70 and 1,339,493.40
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Solution
The fourth proportional to 2,427,193.80, 3,349,541.70 and 1,339,493.40 is: 1,848,508.76
Step by Step Solution
- Step 1: Write the proportion equation
2,427,193.80 : 3,349,541.70 = 1,339,493.40 : x - Step 2: Convert to fraction form
2,427,193.80/3,349,541.70 = 1,339,493.40/x - Step 3: Cross multiply
2,427,193.80x = 3,349,541.70 × 1,339,493.40 - Step 4: Simplify right side
2,427,193.80x = 4,486,689,000,174.78 - Step 5: Solve for x
x = 4,486,689,000,174.78/2,427,193.80 - Step 6: Final answer
x = 1,848,508.76
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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.