Finding the Fourth Proportional to 5,833,234.80, 8,749,852.20 and 5,478,649.20
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Solution
The fourth proportional to 5,833,234.80, 8,749,852.20 and 5,478,649.20 is: 8,217,973.80
Step by Step Solution
- Step 1: Write the proportion equation
5,833,234.80 : 8,749,852.20 = 5,478,649.20 : x - Step 2: Convert to fraction form
5,833,234.80/8,749,852.20 = 5,478,649.20/x - Step 3: Cross multiply
5,833,234.80x = 8,749,852.20 × 5,478,649.20 - Step 4: Simplify right side
5,833,234.80x = 47,937,370,755,648.23 - Step 5: Solve for x
x = 47,937,370,755,648.23/5,833,234.80 - Step 6: Final answer
x = 8,217,973.80
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1.5x scale
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.