Finding the Fourth Proportional to 6,394,841.60, 9,575,073.60 and 4,871,266.70
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Solution
The fourth proportional to 6,394,841.60, 9,575,073.60 and 4,871,266.70 is: 7,293,806.49
Step by Step Solution
- Step 1: Write the proportion equation
6,394,841.60 : 9,575,073.60 = 4,871,266.70 : x - Step 2: Convert to fraction form
6,394,841.60/9,575,073.60 = 4,871,266.70/x - Step 3: Cross multiply
6,394,841.60x = 9,575,073.60 × 4,871,266.70 - Step 4: Simplify right side
6,394,841.60x = 46,642,737,177,729.12 - Step 5: Solve for x
x = 46,642,737,177,729.12/6,394,841.60 - Step 6: Final answer
x = 7,293,806.49
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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.