Finding the Fourth Proportional to 2,277,409.12, 3,142,888.08 and 1,258,879.36
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Solution
The fourth proportional to 2,277,409.12, 3,142,888.08 and 1,258,879.36 is: 1,737,288.61
Step by Step Solution
- Step 1: Write the proportion equation
2,277,409.12 : 3,142,888.08 = 1,258,879.36 : x - Step 2: Convert to fraction form
2,277,409.12/3,142,888.08 = 1,258,879.36/x - Step 3: Cross multiply
2,277,409.12x = 3,142,888.08 × 1,258,879.36 - Step 4: Simplify right side
2,277,409.12x = 3,956,516,934,702.03 - Step 5: Solve for x
x = 3,956,516,934,702.03/2,277,409.12 - Step 6: Final answer
x = 1,737,288.61
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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.