Finding the Fourth Proportional to 5,719,005.06, 8,579,960.74 and 1,620,321.70
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Solution
The fourth proportional to 5,719,005.06, 8,579,960.74 and 1,620,321.70 is: 2,430,894.27
Step by Step Solution
- Step 1: Write the proportion equation
5,719,005.06 : 8,579,960.74 = 1,620,321.70 : x - Step 2: Convert to fraction form
5,719,005.06/8,579,960.74 = 1,620,321.70/x - Step 3: Cross multiply
5,719,005.06x = 8,579,960.74 × 1,620,321.70 - Step 4: Simplify right side
5,719,005.06x = 13,902,296,604,124.04 - Step 5: Solve for x
x = 13,902,296,604,124.04/5,719,005.06 - Step 6: Final answer
x = 2,430,894.27
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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.