Finding the Fourth Proportional to 1,416,536.15, 2,125,218.74 and 456,973.29
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Solution
The fourth proportional to 1,416,536.15, 2,125,218.74 and 456,973.29 is: 685,593.66
Step by Step Solution
- Step 1: Write the proportion equation
1,416,536.15 : 2,125,218.74 = 456,973.29 : x - Step 2: Convert to fraction form
1,416,536.15/2,125,218.74 = 456,973.29/x - Step 3: Cross multiply
1,416,536.15x = 2,125,218.74 × 456,973.29 - Step 4: Simplify right side
1,416,536.15x = 971,168,197,302.59 - Step 5: Solve for x
x = 971,168,197,302.59/1,416,536.15 - Step 6: Final answer
x = 685,593.66
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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.