Finding the Fourth Proportional to 1,687,244.99, 2,328,388.64 and 912,873.85
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Solution
The fourth proportional to 1,687,244.99, 2,328,388.64 and 912,873.85 is: 1,259,760.80
Step by Step Solution
- Step 1: Write the proportion equation
1,687,244.99 : 2,328,388.64 = 912,873.85 : x - Step 2: Convert to fraction form
1,687,244.99/2,328,388.64 = 912,873.85/x - Step 3: Cross multiply
1,687,244.99x = 2,328,388.64 × 912,873.85 - Step 4: Simplify right side
1,687,244.99x = 2,125,525,095,131 - Step 5: Solve for x
x = 2,125,525,095,131/1,687,244.99 - Step 6: Final answer
x = 1,259,760.80
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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.