Finding the Fourth Proportional to 5,028,468.75, 6,938,076.74 and 2,963,566.53
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Solution
The fourth proportional to 5,028,468.75, 6,938,076.74 and 2,963,566.53 is: 4,089,008.61
Step by Step Solution
- Step 1: Write the proportion equation
5,028,468.75 : 6,938,076.74 = 2,963,566.53 : x - Step 2: Convert to fraction form
5,028,468.75/6,938,076.74 = 2,963,566.53/x - Step 3: Cross multiply
5,028,468.75x = 6,938,076.74 × 2,963,566.53 - Step 4: Simplify right side
5,028,468.75x = 20,561,451,994,417.68 - Step 5: Solve for x
x = 20,561,451,994,417.68/5,028,468.75 - Step 6: Final answer
x = 4,089,008.61
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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.