Finding the Fourth Proportional to 5,720,277.06, 7,894,039.30 and 3,106,832.18
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Solution
The fourth proportional to 5,720,277.06, 7,894,039.30 and 3,106,832.18 is: 4,287,459.34
Step by Step Solution
- Step 1: Write the proportion equation
5,720,277.06 : 7,894,039.30 = 3,106,832.18 : x - Step 2: Convert to fraction form
5,720,277.06/7,894,039.30 = 3,106,832.18/x - Step 3: Cross multiply
5,720,277.06x = 7,894,039.30 × 3,106,832.18 - Step 4: Simplify right side
5,720,277.06x = 24,525,455,327,424.68 - Step 5: Solve for x
x = 24,525,455,327,424.68/5,720,277.06 - Step 6: Final answer
x = 4,287,459.34
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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.