Finding the Fourth Proportional to 1,612,808.64, 2,225,676.12 and 877,765.68
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Solution
The fourth proportional to 1,612,808.64, 2,225,676.12 and 877,765.68 is: 1,211,316.75
Step by Step Solution
- Step 1: Write the proportion equation
1,612,808.64 : 2,225,676.12 = 877,765.68 : x - Step 2: Convert to fraction form
1,612,808.64/2,225,676.12 = 877,765.68/x - Step 3: Cross multiply
1,612,808.64x = 2,225,676.12 × 877,765.68 - Step 4: Simplify right side
1,612,808.64x = 1,953,622,112,931.56 - Step 5: Solve for x
x = 1,953,622,112,931.56/1,612,808.64 - Step 6: Final answer
x = 1,211,316.75
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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.