Finding the Fourth Proportional to 1,719,512.74, 2,575,335.75 and 821,585.62
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Solution
The fourth proportional to 1,719,512.74, 2,575,335.75 and 821,585.62 is: 1,230,499.07
Step by Step Solution
- Step 1: Write the proportion equation
1,719,512.74 : 2,575,335.75 = 821,585.62 : x - Step 2: Convert to fraction form
1,719,512.74/2,575,335.75 = 821,585.62/x - Step 3: Cross multiply
1,719,512.74x = 2,575,335.75 × 821,585.62 - Step 4: Simplify right side
1,719,512.74x = 2,115,858,818,871.92 - Step 5: Solve for x
x = 2,115,858,818,871.92/1,719,512.74 - Step 6: Final answer
x = 1,230,499.07
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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.