Finding the Fourth Proportional to 2,128,961.85, 3,193,488.15 and 762,824.79
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Solution
The fourth proportional to 2,128,961.85, 3,193,488.15 and 762,824.79 is: 1,144,253.44
Step by Step Solution
- Step 1: Write the proportion equation
2,128,961.85 : 3,193,488.15 = 762,824.79 : x - Step 2: Convert to fraction form
2,128,961.85/3,193,488.15 = 762,824.79/x - Step 3: Cross multiply
2,128,961.85x = 3,193,488.15 × 762,824.79 - Step 4: Simplify right side
2,128,961.85x = 2,436,071,927,391.24 - Step 5: Solve for x
x = 2,436,071,927,391.24/2,128,961.85 - Step 6: Final answer
x = 1,144,253.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.