Finding the Fourth Proportional to 1,490,283.69, 2,235,584.70 and 637,443.60
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Solution
The fourth proportional to 1,490,283.69, 2,235,584.70 and 637,443.60 is: 956,233.48
Step by Step Solution
- Step 1: Write the proportion equation
1,490,283.69 : 2,235,584.70 = 637,443.60 : x - Step 2: Convert to fraction form
1,490,283.69/2,235,584.70 = 637,443.60/x - Step 3: Cross multiply
1,490,283.69x = 2,235,584.70 × 637,443.60 - Step 4: Simplify right side
1,490,283.69x = 1,425,059,159,272.92 - Step 5: Solve for x
x = 1,425,059,159,272.92/1,490,283.69 - Step 6: Final answer
x = 956,233.48
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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.