Finding the Fourth Proportional to 1,393,948.82, 2,090,946.16 and 383,064.46
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Solution
The fourth proportional to 1,393,948.82, 2,090,946.16 and 383,064.46 is: 574,602.99
Step by Step Solution
- Step 1: Write the proportion equation
1,393,948.82 : 2,090,946.16 = 383,064.46 : x - Step 2: Convert to fraction form
1,393,948.82/2,090,946.16 = 383,064.46/x - Step 3: Cross multiply
1,393,948.82x = 2,090,946.16 × 383,064.46 - Step 4: Simplify right side
1,393,948.82x = 800,967,161,669.47 - Step 5: Solve for x
x = 800,967,161,669.47/1,393,948.82 - Step 6: Final answer
x = 574,602.99
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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.