Finding the Fourth Proportional to 5,198,408.90, 7,792,364.55 and 2,360,557.70
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Solution
The fourth proportional to 5,198,408.90, 7,792,364.55 and 2,360,557.70 is: 3,538,453.11
Step by Step Solution
- Step 1: Write the proportion equation
5,198,408.90 : 7,792,364.55 = 2,360,557.70 : x - Step 2: Convert to fraction form
5,198,408.90/7,792,364.55 = 2,360,557.70/x - Step 3: Cross multiply
5,198,408.90x = 7,792,364.55 × 2,360,557.70 - Step 4: Simplify right side
5,198,408.90x = 18,394,326,139,709.54 - Step 5: Solve for x
x = 18,394,326,139,709.54/5,198,408.90 - Step 6: Final answer
x = 3,538,453.11
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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.