Finding the Fourth Proportional to 1,215,599.36, 1,677,628.13 and 671,841.32
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Solution
The fourth proportional to 1,215,599.36, 1,677,628.13 and 671,841.32 is: 927,196.84
Step by Step Solution
- Step 1: Write the proportion equation
1,215,599.36 : 1,677,628.13 = 671,841.32 : x - Step 2: Convert to fraction form
1,215,599.36/1,677,628.13 = 671,841.32/x - Step 3: Cross multiply
1,215,599.36x = 1,677,628.13 × 671,841.32 - Step 4: Simplify right side
1,215,599.36x = 1,127,099,885,580.98 - Step 5: Solve for x
x = 1,127,099,885,580.98/1,215,599.36 - Step 6: Final answer
x = 927,196.84
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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.