Finding the Fourth Proportional to 1,635,497.70, 2,453,246.55 and 836,513.70
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Solution
The fourth proportional to 1,635,497.70, 2,453,246.55 and 836,513.70 is: 1,254,770.55
Step by Step Solution
- Step 1: Write the proportion equation
1,635,497.70 : 2,453,246.55 = 836,513.70 : x - Step 2: Convert to fraction form
1,635,497.70/2,453,246.55 = 836,513.70/x - Step 3: Cross multiply
1,635,497.70x = 2,453,246.55 × 836,513.70 - Step 4: Simplify right side
1,635,497.70x = 2,052,174,348,552.73 - Step 5: Solve for x
x = 2,052,174,348,552.73/1,635,497.70 - Step 6: Final answer
x = 1,254,770.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.