Finding the Fourth Proportional to 4,954,654.28, 7,430,199.38 and 1,715,312.36
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Solution
The fourth proportional to 4,954,654.28, 7,430,199.38 and 1,715,312.36 is: 2,572,351.59
Step by Step Solution
- Step 1: Write the proportion equation
4,954,654.28 : 7,430,199.38 = 1,715,312.36 : x - Step 2: Convert to fraction form
4,954,654.28/7,430,199.38 = 1,715,312.36/x - Step 3: Cross multiply
4,954,654.28x = 7,430,199.38 × 1,715,312.36 - Step 4: Simplify right side
4,954,654.28x = 12,745,112,833,778.34 - Step 5: Solve for x
x = 12,745,112,833,778.34/4,954,654.28 - Step 6: Final answer
x = 2,572,351.59
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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.