Finding the Fourth Proportional to 5,084,374.63, 7,014,729.77 and 2,878,935.99
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Solution
The fourth proportional to 5,084,374.63, 7,014,729.77 and 2,878,935.99 is: 3,971,964.99
Step by Step Solution
- Step 1: Write the proportion equation
5,084,374.63 : 7,014,729.77 = 2,878,935.99 : x - Step 2: Convert to fraction form
5,084,374.63/7,014,729.77 = 2,878,935.99/x - Step 3: Cross multiply
5,084,374.63x = 7,014,729.77 × 2,878,935.99 - Step 4: Simplify right side
5,084,374.63x = 20,194,957,984,637.94 - Step 5: Solve for x
x = 20,194,957,984,637.94/5,084,374.63 - Step 6: Final answer
x = 3,971,964.99
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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.