Finding the Fourth Proportional to 1,781,342.08, 2,458,353.60 and 1,056,618.88
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Solution
The fourth proportional to 1,781,342.08, 2,458,353.60 and 1,056,618.88 is: 1,458,194.28
Step by Step Solution
- Step 1: Write the proportion equation
1,781,342.08 : 2,458,353.60 = 1,056,618.88 : x - Step 2: Convert to fraction form
1,781,342.08/2,458,353.60 = 1,056,618.88/x - Step 3: Cross multiply
1,781,342.08x = 2,458,353.60 × 1,056,618.88 - Step 4: Simplify right side
1,781,342.08x = 2,597,542,827,475.97 - Step 5: Solve for x
x = 2,597,542,827,475.97/1,781,342.08 - Step 6: Final answer
x = 1,458,194.28
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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.