Finding the Fourth Proportional to 7,774,724.90, 11,662,087.35 and 2,726,545.70
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Solution
The fourth proportional to 7,774,724.90, 11,662,087.35 and 2,726,545.70 is: 4,089,818.55
Step by Step Solution
- Step 1: Write the proportion equation
7,774,724.90 : 11,662,087.35 = 2,726,545.70 : x - Step 2: Convert to fraction form
7,774,724.90/11,662,087.35 = 2,726,545.70/x - Step 3: Cross multiply
7,774,724.90x = 11,662,087.35 × 2,726,545.70 - Step 4: Simplify right side
7,774,724.90x = 31,797,214,117,166.89 - Step 5: Solve for x
x = 31,797,214,117,166.89/7,774,724.90 - Step 6: Final answer
x = 4,089,818.55
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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.