Finding the Fourth Proportional to 1,595,936.88, 2,202,389.68 and 870,784.20
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Solution
The fourth proportional to 1,595,936.88, 2,202,389.68 and 870,784.20 is: 1,201,680.44
Step by Step Solution
- Step 1: Write the proportion equation
1,595,936.88 : 2,202,389.68 = 870,784.20 : x - Step 2: Convert to fraction form
1,595,936.88/2,202,389.68 = 870,784.20/x - Step 3: Cross multiply
1,595,936.88x = 2,202,389.68 × 870,784.20 - Step 4: Simplify right side
1,595,936.88x = 1,917,806,135,587.06 - Step 5: Solve for x
x = 1,917,806,135,587.06/1,595,936.88 - Step 6: Final answer
x = 1,201,680.44
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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.