Finding the Fourth Proportional to 1,370,627.63, 1,891,203.68 and 887,125.67
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Solution
The fourth proportional to 1,370,627.63, 1,891,203.68 and 887,125.67 is: 1,224,063.55
Step by Step Solution
- Step 1: Write the proportion equation
1,370,627.63 : 1,891,203.68 = 887,125.67 : x - Step 2: Convert to fraction form
1,370,627.63/1,891,203.68 = 887,125.67/x - Step 3: Cross multiply
1,370,627.63x = 1,891,203.68 × 887,125.67 - Step 4: Simplify right side
1,370,627.63x = 1,677,735,317,834.82 - Step 5: Solve for x
x = 1,677,735,317,834.82/1,370,627.63 - Step 6: Final answer
x = 1,224,063.55
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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.