Finding the Fourth Proportional to 1,528,330.05, 2,292,354.50 and 517,336.47
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Solution
The fourth proportional to 1,528,330.05, 2,292,354.50 and 517,336.47 is: 775,957.12
Step by Step Solution
- Step 1: Write the proportion equation
1,528,330.05 : 2,292,354.50 = 517,336.47 : x - Step 2: Convert to fraction form
1,528,330.05/2,292,354.50 = 517,336.47/x - Step 3: Cross multiply
1,528,330.05x = 2,292,354.50 × 517,336.47 - Step 4: Simplify right side
1,528,330.05x = 1,185,918,582,431.93 - Step 5: Solve for x
x = 1,185,918,582,431.93/1,528,330.05 - Step 6: Final answer
x = 775,957.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.