Finding the Fourth Proportional to 2,917,542.39, 4,373,320.57 and 1,119,941.79
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Solution
The fourth proportional to 2,917,542.39, 4,373,320.57 and 1,119,941.79 is: 1,678,763.77
Step by Step Solution
- Step 1: Write the proportion equation
2,917,542.39 : 4,373,320.57 = 1,119,941.79 : x - Step 2: Convert to fraction form
2,917,542.39/4,373,320.57 = 1,119,941.79/x - Step 3: Cross multiply
2,917,542.39x = 4,373,320.57 × 1,119,941.79 - Step 4: Simplify right side
2,917,542.39x = 4,897,864,467,409.62 - Step 5: Solve for x
x = 4,897,864,467,409.62/2,917,542.39 - Step 6: Final answer
x = 1,678,763.77
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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.