Finding the Fourth Proportional to 1,580,235.62, 2,180,675.32 and 935,661.11
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Solution
The fourth proportional to 1,580,235.62, 2,180,675.32 and 935,661.11 is: 1,291,182.82
Step by Step Solution
- Step 1: Write the proportion equation
1,580,235.62 : 2,180,675.32 = 935,661.11 : x - Step 2: Convert to fraction form
1,580,235.62/2,180,675.32 = 935,661.11/x - Step 3: Cross multiply
1,580,235.62x = 2,180,675.32 × 935,661.11 - Step 4: Simplify right side
1,580,235.62x = 2,040,373,077,218.28 - Step 5: Solve for x
x = 2,040,373,077,218.28/1,580,235.62 - Step 6: Final answer
x = 1,291,182.82
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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.