Finding the Fourth Proportional to 2,135,683.84, 2,947,204.26 and 1,168,794.66
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Solution
The fourth proportional to 2,135,683.84, 2,947,204.26 and 1,168,794.66 is: 1,612,915.05
Step by Step Solution
- Step 1: Write the proportion equation
2,135,683.84 : 2,947,204.26 = 1,168,794.66 : x - Step 2: Convert to fraction form
2,135,683.84/2,947,204.26 = 1,168,794.66/x - Step 3: Cross multiply
2,135,683.84x = 2,947,204.26 × 1,168,794.66 - Step 4: Simplify right side
2,135,683.84x = 3,444,676,601,017.25 - Step 5: Solve for x
x = 3,444,676,601,017.25/2,135,683.84 - Step 6: Final answer
x = 1,612,915.05
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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.