Finding the Fourth Proportional to 4,620,355.92, 6,373,531.32 and 2,686,402.68
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Solution
The fourth proportional to 4,620,355.92, 6,373,531.32 and 2,686,402.68 is: 3,705,747.33
Step by Step Solution
- Step 1: Write the proportion equation
4,620,355.92 : 6,373,531.32 = 2,686,402.68 : x - Step 2: Convert to fraction form
4,620,355.92/6,373,531.32 = 2,686,402.68/x - Step 3: Cross multiply
4,620,355.92x = 6,373,531.32 × 2,686,402.68 - Step 4: Simplify right side
4,620,355.92x = 17,121,871,619,111.94 - Step 5: Solve for x
x = 17,121,871,619,111.94/4,620,355.92 - Step 6: Final answer
x = 3,705,747.33
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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.