Finding the Fourth Proportional to 5,430,930.88, 8,147,445.35 and 2,064,876.16
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Solution
The fourth proportional to 5,430,930.88, 8,147,445.35 and 2,064,876.16 is: 3,097,713.09
Step by Step Solution
- Step 1: Write the proportion equation
5,430,930.88 : 8,147,445.35 = 2,064,876.16 : x - Step 2: Convert to fraction form
5,430,930.88/8,147,445.35 = 2,064,876.16/x - Step 3: Cross multiply
5,430,930.88x = 8,147,445.35 × 2,064,876.16 - Step 4: Simplify right side
5,430,930.88x = 16,823,465,668,117.86 - Step 5: Solve for x
x = 16,823,465,668,117.86/5,430,930.88 - Step 6: Final answer
x = 3,097,713.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.