Finding the Fourth Proportional to 4,069,433.18, 5,615,608.28 and 2,415,649.70
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Solution
The fourth proportional to 4,069,433.18, 5,615,608.28 and 2,415,649.70 is: 3,333,472.21
Step by Step Solution
- Step 1: Write the proportion equation
4,069,433.18 : 5,615,608.28 = 2,415,649.70 : x - Step 2: Convert to fraction form
4,069,433.18/5,615,608.28 = 2,415,649.70/x - Step 3: Cross multiply
4,069,433.18x = 5,615,608.28 × 2,415,649.70 - Step 4: Simplify right side
4,069,433.18x = 13,565,342,416,743.23 - Step 5: Solve for x
x = 13,565,342,416,743.23/4,069,433.18 - Step 6: Final answer
x = 3,333,472.21
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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.