Finding the Fourth Proportional to 1,696,256.26, 2,340,851.81 and 921,887.08
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Solution
The fourth proportional to 1,696,256.26, 2,340,851.81 and 921,887.08 is: 1,272,214.04
Step by Step Solution
- Step 1: Write the proportion equation
1,696,256.26 : 2,340,851.81 = 921,887.08 : x - Step 2: Convert to fraction form
1,696,256.26/2,340,851.81 = 921,887.08/x - Step 3: Cross multiply
1,696,256.26x = 2,340,851.81 × 921,887.08 - Step 4: Simplify right side
1,696,256.26x = 2,158,001,029,372.05 - Step 5: Solve for x
x = 2,158,001,029,372.05/1,696,256.26 - Step 6: Final answer
x = 1,272,214.04
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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.