Finding the Fourth Proportional to 1,404,887.09, 2,107,243.15 and 865,246.05
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Solution
The fourth proportional to 1,404,887.09, 2,107,243.15 and 865,246.05 is: 1,297,815.20
Step by Step Solution
- Step 1: Write the proportion equation
1,404,887.09 : 2,107,243.15 = 865,246.05 : x - Step 2: Convert to fraction form
1,404,887.09/2,107,243.15 = 865,246.05/x - Step 3: Cross multiply
1,404,887.09x = 2,107,243.15 × 865,246.05 - Step 4: Simplify right side
1,404,887.09x = 1,823,283,809,763.94 - Step 5: Solve for x
x = 1,823,283,809,763.94/1,404,887.09 - Step 6: Final answer
x = 1,297,815.20
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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.