Finding the Fourth Proportional to 1,786,577.99, 2,465,493.20 and 970,781.69
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Solution
The fourth proportional to 1,786,577.99, 2,465,493.20 and 970,781.69 is: 1,339,687.19
Step by Step Solution
- Step 1: Write the proportion equation
1,786,577.99 : 2,465,493.20 = 970,781.69 : x - Step 2: Convert to fraction form
1,786,577.99/2,465,493.20 = 970,781.69/x - Step 3: Cross multiply
1,786,577.99x = 2,465,493.20 × 970,781.69 - Step 4: Simplify right side
1,786,577.99x = 2,393,455,650,525.60 - Step 5: Solve for x
x = 2,393,455,650,525.60/1,786,577.99 - Step 6: Final answer
x = 1,339,687.19
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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.