Finding the Fourth Proportional to 2,118,229.68, 2,924,564.64 and 1,627,324.94
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Solution
The fourth proportional to 2,118,229.68, 2,924,564.64 and 1,627,324.94 is: 2,246,789.87
Step by Step Solution
- Step 1: Write the proportion equation
2,118,229.68 : 2,924,564.64 = 1,627,324.94 : x - Step 2: Convert to fraction form
2,118,229.68/2,924,564.64 = 1,627,324.94/x - Step 3: Cross multiply
2,118,229.68x = 2,924,564.64 × 1,627,324.94 - Step 4: Simplify right side
2,118,229.68x = 4,759,216,977,314.12 - Step 5: Solve for x
x = 4,759,216,977,314.12/2,118,229.68 - Step 6: Final answer
x = 2,246,789.87
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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.