Finding the Fourth Proportional to 2,126,531.24, 2,934,613.70 and 1,159,636.60
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Solution
The fourth proportional to 2,126,531.24, 2,934,613.70 and 1,159,636.60 is: 1,600,298.83
Step by Step Solution
- Step 1: Write the proportion equation
2,126,531.24 : 2,934,613.70 = 1,159,636.60 : x - Step 2: Convert to fraction form
2,126,531.24/2,934,613.70 = 1,159,636.60/x - Step 3: Cross multiply
2,126,531.24x = 2,934,613.70 × 1,159,636.60 - Step 4: Simplify right side
2,126,531.24x = 3,403,085,453,381.42 - Step 5: Solve for x
x = 3,403,085,453,381.42/2,126,531.24 - Step 6: Final answer
x = 1,600,298.83
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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.