Finding the Fourth Proportional to 1,393,552.08, 2,090,513.88 and 551,905.92
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Solution
The fourth proportional to 1,393,552.08, 2,090,513.88 and 551,905.92 is: 827,932.45
Step by Step Solution
- Step 1: Write the proportion equation
1,393,552.08 : 2,090,513.88 = 551,905.92 : x - Step 2: Convert to fraction form
1,393,552.08/2,090,513.88 = 551,905.92/x - Step 3: Cross multiply
1,393,552.08x = 2,090,513.88 × 551,905.92 - Step 4: Simplify right side
1,393,552.08x = 1,153,766,986,214.17 - Step 5: Solve for x
x = 1,153,766,986,214.17/1,393,552.08 - Step 6: Final answer
x = 827,932.45
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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.