Finding the Fourth Proportional to 1,590,824.53, 2,386,241.73 and 392,746.99
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Solution
The fourth proportional to 1,590,824.53, 2,386,241.73 and 392,746.99 is: 589,121.69
Step by Step Solution
- Step 1: Write the proportion equation
1,590,824.53 : 2,386,241.73 = 392,746.99 : x - Step 2: Convert to fraction form
1,590,824.53/2,386,241.73 = 392,746.99/x - Step 3: Cross multiply
1,590,824.53x = 2,386,241.73 × 392,746.99 - Step 4: Simplify right side
1,590,824.53x = 937,189,242,974.95 - Step 5: Solve for x
x = 937,189,242,974.95/1,590,824.53 - Step 6: Final answer
x = 589,121.69
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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.