Finding the Fourth Proportional to 2,957,742.47, 4,081,687.34 and 1,599,615.47
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Solution
The fourth proportional to 2,957,742.47, 4,081,687.34 and 1,599,615.47 is: 2,207,470.82
Step by Step Solution
- Step 1: Write the proportion equation
2,957,742.47 : 4,081,687.34 = 1,599,615.47 : x - Step 2: Convert to fraction form
2,957,742.47/4,081,687.34 = 1,599,615.47/x - Step 3: Cross multiply
2,957,742.47x = 4,081,687.34 × 1,599,615.47 - Step 4: Simplify right side
2,957,742.47x = 6,529,130,214,973.29 - Step 5: Solve for x
x = 6,529,130,214,973.29/2,957,742.47 - Step 6: Final answer
x = 2,207,470.82
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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.