Finding the Fourth Proportional to 1,575,779.38, 2,364,407.16 and 776,625.28
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Solution
The fourth proportional to 1,575,779.38, 2,364,407.16 and 776,625.28 is: 1,165,301.69
Step by Step Solution
- Step 1: Write the proportion equation
1,575,779.38 : 2,364,407.16 = 776,625.28 : x - Step 2: Convert to fraction form
1,575,779.38/2,364,407.16 = 776,625.28/x - Step 3: Cross multiply
1,575,779.38x = 2,364,407.16 × 776,625.28 - Step 4: Simplify right side
1,575,779.38x = 1,836,258,372,669.01 - Step 5: Solve for x
x = 1,836,258,372,669.01/1,575,779.38 - Step 6: Final answer
x = 1,165,301.69
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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.