Finding the Fourth Proportional to 7,254,503.56, 10,865,211.90 and 3,470,663.08
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Solution
The fourth proportional to 7,254,503.56, 10,865,211.90 and 3,470,663.08 is: 5,198,079.99
Step by Step Solution
- Step 1: Write the proportion equation
7,254,503.56 : 10,865,211.90 = 3,470,663.08 : x - Step 2: Convert to fraction form
7,254,503.56/10,865,211.90 = 3,470,663.08/x - Step 3: Cross multiply
7,254,503.56x = 10,865,211.90 × 3,470,663.08 - Step 4: Simplify right side
7,254,503.56x = 37,709,489,797,706.66 - Step 5: Solve for x
x = 37,709,489,797,706.66/7,254,503.56 - Step 6: Final answer
x = 5,198,079.99
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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.