Finding the Fourth Proportional to 6,489,513.35, 8,955,163.88 and 3,548,746.79
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Solution
The fourth proportional to 6,489,513.35, 8,955,163.88 and 3,548,746.79 is: 4,897,071.22
Step by Step Solution
- Step 1: Write the proportion equation
6,489,513.35 : 8,955,163.88 = 3,548,746.79 : x - Step 2: Convert to fraction form
6,489,513.35/8,955,163.88 = 3,548,746.79/x - Step 3: Cross multiply
6,489,513.35x = 8,955,163.88 × 3,548,746.79 - Step 4: Simplify right side
6,489,513.35x = 31,779,609,057,444.05 - Step 5: Solve for x
x = 31,779,609,057,444.05/6,489,513.35 - Step 6: Final answer
x = 4,897,071.22
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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.