Finding the Fourth Proportional to 3,886,663.86, 5,829,785.58 and 1,190,996.84
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Solution
The fourth proportional to 3,886,663.86, 5,829,785.58 and 1,190,996.84 is: 1,786,430.85
Step by Step Solution
- Step 1: Write the proportion equation
3,886,663.86 : 5,829,785.58 = 1,190,996.84 : x - Step 2: Convert to fraction form
3,886,663.86/5,829,785.58 = 1,190,996.84/x - Step 3: Cross multiply
3,886,663.86x = 5,829,785.58 × 1,190,996.84 - Step 4: Simplify right side
3,886,663.86x = 6,943,256,203,657.57 - Step 5: Solve for x
x = 6,943,256,203,657.57/3,886,663.86 - Step 6: Final answer
x = 1,786,430.85
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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.