Finding the Fourth Proportional to 4,881,745.92, 6,739,971.48 and 3,140,194.08
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Solution
The fourth proportional to 4,881,745.92, 6,739,971.48 and 3,140,194.08 is: 4,335,501.87
Step by Step Solution
- Step 1: Write the proportion equation
4,881,745.92 : 6,739,971.48 = 3,140,194.08 : x - Step 2: Convert to fraction form
4,881,745.92/6,739,971.48 = 3,140,194.08/x - Step 3: Cross multiply
4,881,745.92x = 6,739,971.48 × 3,140,194.08 - Step 4: Simplify right side
4,881,745.92x = 21,164,818,540,864.84 - Step 5: Solve for x
x = 21,164,818,540,864.84/4,881,745.92 - Step 6: Final answer
x = 4,335,501.87
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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.