Finding the Fourth Proportional to 1,971,207.55, 2,719,752.34 and 1,154,972.68
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Solution
The fourth proportional to 1,971,207.55, 2,719,752.34 and 1,154,972.68 is: 1,593,561.09
Step by Step Solution
- Step 1: Write the proportion equation
1,971,207.55 : 2,719,752.34 = 1,154,972.68 : x - Step 2: Convert to fraction form
1,971,207.55/2,719,752.34 = 1,154,972.68/x - Step 3: Cross multiply
1,971,207.55x = 2,719,752.34 × 1,154,972.68 - Step 4: Simplify right side
1,971,207.55x = 3,141,239,649,066.07 - Step 5: Solve for x
x = 3,141,239,649,066.07/1,971,207.55 - Step 6: Final answer
x = 1,593,561.09
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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.