Finding the Fourth Proportional to 1,968,885.84, 2,717,062.38 and 1,063,467.84
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Solution
The fourth proportional to 1,968,885.84, 2,717,062.38 and 1,063,467.84 is: 1,467,585.58
Step by Step Solution
- Step 1: Write the proportion equation
1,968,885.84 : 2,717,062.38 = 1,063,467.84 : x - Step 2: Convert to fraction form
1,968,885.84/2,717,062.38 = 1,063,467.84/x - Step 3: Cross multiply
1,968,885.84x = 2,717,062.38 × 1,063,467.84 - Step 4: Simplify right side
1,968,885.84x = 2,889,508,460,403.86 - Step 5: Solve for x
x = 2,889,508,460,403.86/1,968,885.84 - Step 6: Final answer
x = 1,467,585.58
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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.