Finding the Fourth Proportional to 1,660,486.94, 2,291,401.17 and 925,402.09
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Solution
The fourth proportional to 1,660,486.94, 2,291,401.17 and 925,402.09 is: 1,277,015.43
Step by Step Solution
- Step 1: Write the proportion equation
1,660,486.94 : 2,291,401.17 = 925,402.09 : x - Step 2: Convert to fraction form
1,660,486.94/2,291,401.17 = 925,402.09/x - Step 3: Cross multiply
1,660,486.94x = 2,291,401.17 × 925,402.09 - Step 4: Simplify right side
1,660,486.94x = 2,120,467,438,710.93 - Step 5: Solve for x
x = 2,120,467,438,710.93/1,660,486.94 - Step 6: Final answer
x = 1,277,015.43
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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.