Finding the Fourth Proportional to 1,677,504.99, 2,314,981.62 and 913,556.73
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Solution
The fourth proportional to 1,677,504.99, 2,314,981.62 and 913,556.73 is: 1,260,721.76
Step by Step Solution
- Step 1: Write the proportion equation
1,677,504.99 : 2,314,981.62 = 913,556.73 : x - Step 2: Convert to fraction form
1,677,504.99/2,314,981.62 = 913,556.73/x - Step 3: Cross multiply
1,677,504.99x = 2,314,981.62 × 913,556.73 - Step 4: Simplify right side
1,677,504.99x = 2,114,867,038,777.30 - Step 5: Solve for x
x = 2,114,867,038,777.30/1,677,504.99 - Step 6: Final answer
x = 1,260,721.76
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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.