Finding the Fourth Proportional to 5,108,423.40, 7,660,414.20 and 1,464,350.76
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Solution
The fourth proportional to 5,108,423.40, 7,660,414.20 and 1,464,350.76 is: 2,195,889.51
Step by Step Solution
- Step 1: Write the proportion equation
5,108,423.40 : 7,660,414.20 = 1,464,350.76 : x - Step 2: Convert to fraction form
5,108,423.40/7,660,414.20 = 1,464,350.76/x - Step 3: Cross multiply
5,108,423.40x = 7,660,414.20 × 1,464,350.76 - Step 4: Simplify right side
5,108,423.40x = 11,217,533,355,684.79 - Step 5: Solve for x
x = 11,217,533,355,684.79/5,108,423.40 - Step 6: Final answer
x = 2,195,889.51
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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.