Finding the Fourth Proportional to 5,743,723.85, 7,926,340.16 and 3,130,228.55
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Solution
The fourth proportional to 5,743,723.85, 7,926,340.16 and 3,130,228.55 is: 4,319,716.08
Step by Step Solution
- Step 1: Write the proportion equation
5,743,723.85 : 7,926,340.16 = 3,130,228.55 : x - Step 2: Convert to fraction form
5,743,723.85/7,926,340.16 = 3,130,228.55/x - Step 3: Cross multiply
5,743,723.85x = 7,926,340.16 × 3,130,228.55 - Step 4: Simplify right side
5,743,723.85x = 24,811,256,262,388.39 - Step 5: Solve for x
x = 24,811,256,262,388.39/5,743,723.85 - Step 6: Final answer
x = 4,319,716.08
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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.