Finding the Fourth Proportional to 5,006,447.74, 6,909,033.76 and 2,831,316.18
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Solution
The fourth proportional to 5,006,447.74, 6,909,033.76 and 2,831,316.18 is: 3,907,293.17
Step by Step Solution
- Step 1: Write the proportion equation
5,006,447.74 : 6,909,033.76 = 2,831,316.18 : x - Step 2: Convert to fraction form
5,006,447.74/6,909,033.76 = 2,831,316.18/x - Step 3: Cross multiply
5,006,447.74x = 6,909,033.76 × 2,831,316.18 - Step 4: Simplify right side
5,006,447.74x = 19,561,659,072,854.24 - Step 5: Solve for x
x = 19,561,659,072,854.24/5,006,447.74 - Step 6: Final answer
x = 3,907,293.17
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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.