Finding the Fourth Proportional to 7,237,886.08, 10,858,930.26 and 2,917,706.53
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Solution
The fourth proportional to 7,237,886.08, 10,858,930.26 and 2,917,706.53 is: 4,377,406.79
Step by Step Solution
- Step 1: Write the proportion equation
7,237,886.08 : 10,858,930.26 = 2,917,706.53 : x - Step 2: Convert to fraction form
7,237,886.08/10,858,930.26 = 2,917,706.53/x - Step 3: Cross multiply
7,237,886.08x = 10,858,930.26 × 2,917,706.53 - Step 4: Simplify right side
7,237,886.08x = 31,683,171,690,327.87 - Step 5: Solve for x
x = 31,683,171,690,327.87/7,237,886.08 - Step 6: Final answer
x = 4,377,406.79
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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.