Finding the Fourth Proportional to 1,911,695.75, 2,867,601.14 and 472,379.07
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Solution
The fourth proportional to 1,911,695.75, 2,867,601.14 and 472,379.07 is: 708,582.82
Step by Step Solution
- Step 1: Write the proportion equation
1,911,695.75 : 2,867,601.14 = 472,379.07 : x - Step 2: Convert to fraction form
1,911,695.75/2,867,601.14 = 472,379.07/x - Step 3: Cross multiply
1,911,695.75x = 2,867,601.14 × 472,379.07 - Step 4: Simplify right side
1,911,695.75x = 1,354,594,757,282.24 - Step 5: Solve for x
x = 1,354,594,757,282.24/1,911,695.75 - Step 6: Final answer
x = 708,582.82
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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.