Finding the Fourth Proportional to 4,132,064.24, 6,198,207.27 and 1,292,176.40
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Solution
The fourth proportional to 4,132,064.24, 6,198,207.27 and 1,292,176.40 is: 1,938,299.28
Step by Step Solution
- Step 1: Write the proportion equation
4,132,064.24 : 6,198,207.27 = 1,292,176.40 : x - Step 2: Convert to fraction form
4,132,064.24/6,198,207.27 = 1,292,176.40/x - Step 3: Cross multiply
4,132,064.24x = 6,198,207.27 × 1,292,176.40 - Step 4: Simplify right side
4,132,064.24x = 8,009,177,156,602.43 - Step 5: Solve for x
x = 8,009,177,156,602.43/4,132,064.24 - Step 6: Final answer
x = 1,938,299.28
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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.