Finding the Fourth Proportional to 3,976,330.22, 5,487,408.26 and 2,210,394.36
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Solution
The fourth proportional to 3,976,330.22, 5,487,408.26 and 2,210,394.36 is: 3,050,384.55
Step by Step Solution
- Step 1: Write the proportion equation
3,976,330.22 : 5,487,408.26 = 2,210,394.36 : x - Step 2: Convert to fraction form
3,976,330.22/5,487,408.26 = 2,210,394.36/x - Step 3: Cross multiply
3,976,330.22x = 5,487,408.26 × 2,210,394.36 - Step 4: Simplify right side
3,976,330.22x = 12,129,336,268,921.41 - Step 5: Solve for x
x = 12,129,336,268,921.41/3,976,330.22 - Step 6: Final answer
x = 3,050,384.55
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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.