Finding the Fourth Proportional to 1,971,232.47, 2,719,786.61 and 1,154,997.63
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Solution
The fourth proportional to 1,971,232.47, 2,719,786.61 and 1,154,997.63 is: 1,593,595.45
Step by Step Solution
- Step 1: Write the proportion equation
1,971,232.47 : 2,719,786.61 = 1,154,997.63 : x - Step 2: Convert to fraction form
1,971,232.47/2,719,786.61 = 1,154,997.63/x - Step 3: Cross multiply
1,971,232.47x = 2,719,786.61 × 1,154,997.63 - Step 4: Simplify right side
1,971,232.47x = 3,141,347,091,543.23 - Step 5: Solve for x
x = 3,141,347,091,543.23/1,971,232.47 - Step 6: Final answer
x = 1,593,595.45
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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.