Finding the Fourth Proportional to 1,693,881.12, 2,550,962.68 and 1,542,715.68
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Solution
The fourth proportional to 1,693,881.12, 2,550,962.68 and 1,542,715.68 is: 2,323,309.52
Step by Step Solution
- Step 1: Write the proportion equation
1,693,881.12 : 2,550,962.68 = 1,542,715.68 : x - Step 2: Convert to fraction form
1,693,881.12/2,550,962.68 = 1,542,715.68/x - Step 3: Cross multiply
1,693,881.12x = 2,550,962.68 × 1,542,715.68 - Step 4: Simplify right side
1,693,881.12x = 3,935,410,125,530.82 - Step 5: Solve for x
x = 3,935,410,125,530.82/1,693,881.12 - Step 6: Final answer
x = 2,323,309.52
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.