Finding the Fourth Proportional to 2,573,782.15, 3,550,343.70 and 1,605,230.92
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Solution
The fourth proportional to 2,573,782.15, 3,550,343.70 and 1,605,230.92 is: 2,214,298.32
Step by Step Solution
- Step 1: Write the proportion equation
2,573,782.15 : 3,550,343.70 = 1,605,230.92 : x - Step 2: Convert to fraction form
2,573,782.15/3,550,343.70 = 1,605,230.92/x - Step 3: Cross multiply
2,573,782.15x = 3,550,343.70 × 1,605,230.92 - Step 4: Simplify right side
2,573,782.15x = 5,699,121,483,867.20 - Step 5: Solve for x
x = 5,699,121,483,867.20/2,573,782.15 - Step 6: Final answer
x = 2,214,298.32
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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.