Finding the Fourth Proportional to 4,103,593.16, 5,660,021.61 and 2,880,171.68
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Solution
The fourth proportional to 4,103,593.16, 5,660,021.61 and 2,880,171.68 is: 3,972,575.57
Step by Step Solution
- Step 1: Write the proportion equation
4,103,593.16 : 5,660,021.61 = 2,880,171.68 : x - Step 2: Convert to fraction form
4,103,593.16/5,660,021.61 = 2,880,171.68/x - Step 3: Cross multiply
4,103,593.16x = 5,660,021.61 × 2,880,171.68 - Step 4: Simplify right side
4,103,593.16x = 16,301,833,921,009.90 - Step 5: Solve for x
x = 16,301,833,921,009.90/4,103,593.16 - Step 6: Final answer
x = 3,972,575.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.