Finding the Fourth Proportional to 2,182,372.47, 3,273,565.19 and 762,428.70
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Solution
The fourth proportional to 2,182,372.47, 3,273,565.19 and 762,428.70 is: 1,143,645.31
Step by Step Solution
- Step 1: Write the proportion equation
2,182,372.47 : 3,273,565.19 = 762,428.70 : x - Step 2: Convert to fraction form
2,182,372.47/3,273,565.19 = 762,428.70/x - Step 3: Cross multiply
2,182,372.47x = 3,273,565.19 × 762,428.70 - Step 4: Simplify right side
2,182,372.47x = 2,495,860,048,364.81 - Step 5: Solve for x
x = 2,495,860,048,364.81/2,182,372.47 - Step 6: Final answer
x = 1,143,645.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.