Finding the Fourth Proportional to 5,006,448.35, 6,909,034.58 and 2,831,316.78
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Solution
The fourth proportional to 5,006,448.35, 6,909,034.58 and 2,831,316.78 is: 3,907,293.99
Step by Step Solution
- Step 1: Write the proportion equation
5,006,448.35 : 6,909,034.58 = 2,831,316.78 : x - Step 2: Convert to fraction form
5,006,448.35/6,909,034.58 = 2,831,316.78/x - Step 3: Cross multiply
5,006,448.35x = 6,909,034.58 × 2,831,316.78 - Step 4: Simplify right side
5,006,448.35x = 19,561,665,539,954.25 - Step 5: Solve for x
x = 19,561,665,539,954.25/5,006,448.35 - Step 6: Final answer
x = 3,907,293.99
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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.