Finding the Fourth Proportional to 3,565,827.18, 4,915,381.36 and 2,186,613.24
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Solution
The fourth proportional to 3,565,827.18, 4,915,381.36 and 2,186,613.24 is: 3,014,178.03
Step by Step Solution
- Step 1: Write the proportion equation
3,565,827.18 : 4,915,381.36 = 2,186,613.24 : x - Step 2: Convert to fraction form
3,565,827.18/4,915,381.36 = 2,186,613.24/x - Step 3: Cross multiply
3,565,827.18x = 4,915,381.36 × 2,186,613.24 - Step 4: Simplify right side
3,565,827.18x = 10,748,037,961,425.21 - Step 5: Solve for x
x = 10,748,037,961,425.21/3,565,827.18 - Step 6: Final answer
x = 3,014,178.03
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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.