Finding the Fourth Proportional to 5,815,151.62, 8,722,725.36 and 1,555,209.28
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Solution
The fourth proportional to 5,815,151.62, 8,722,725.36 and 1,555,209.28 is: 2,332,813.37
Step by Step Solution
- Step 1: Write the proportion equation
5,815,151.62 : 8,722,725.36 = 1,555,209.28 : x - Step 2: Convert to fraction form
5,815,151.62/8,722,725.36 = 1,555,209.28/x - Step 3: Cross multiply
5,815,151.62x = 8,722,725.36 × 1,555,209.28 - Step 4: Simplify right side
5,815,151.62x = 13,565,663,426,763.34 - Step 5: Solve for x
x = 13,565,663,426,763.34/5,815,151.62 - Step 6: Final answer
x = 2,332,813.37
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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.