Finding the Fourth Proportional to 5,137,110.50, 7,089,327.05 and 2,931,929.09
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Solution
The fourth proportional to 5,137,110.50, 7,089,327.05 and 2,931,929.09 is: 4,046,127.52
Step by Step Solution
- Step 1: Write the proportion equation
5,137,110.50 : 7,089,327.05 = 2,931,929.09 : x - Step 2: Convert to fraction form
5,137,110.50/7,089,327.05 = 2,931,929.09/x - Step 3: Cross multiply
5,137,110.50x = 7,089,327.05 × 2,931,929.09 - Step 4: Simplify right side
5,137,110.50x = 20,785,404,196,190.07 - Step 5: Solve for x
x = 20,785,404,196,190.07/5,137,110.50 - Step 6: Final answer
x = 4,046,127.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.