Finding the Fourth Proportional to 3,393,762.86, 4,683,485.14 and 1,845,128.74
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Solution
The fourth proportional to 3,393,762.86, 4,683,485.14 and 1,845,128.74 is: 2,546,327.89
Step by Step Solution
- Step 1: Write the proportion equation
3,393,762.86 : 4,683,485.14 = 1,845,128.74 : x - Step 2: Convert to fraction form
3,393,762.86/4,683,485.14 = 1,845,128.74/x - Step 3: Cross multiply
3,393,762.86x = 4,683,485.14 × 1,845,128.74 - Step 4: Simplify right side
3,393,762.86x = 8,641,633,035,176.92 - Step 5: Solve for x
x = 8,641,633,035,176.92/3,393,762.86 - Step 6: Final answer
x = 2,546,327.89
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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.