Finding the Fourth Proportional to 1,995,149.98, 2,752,320.45 and 1,178,958.79
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Solution
The fourth proportional to 1,995,149.98, 2,752,320.45 and 1,178,958.79 is: 1,626,380.18
Step by Step Solution
- Step 1: Write the proportion equation
1,995,149.98 : 2,752,320.45 = 1,178,958.79 : x - Step 2: Convert to fraction form
1,995,149.98/2,752,320.45 = 1,178,958.79/x - Step 3: Cross multiply
1,995,149.98x = 2,752,320.45 × 1,178,958.79 - Step 4: Simplify right side
1,995,149.98x = 3,244,872,387,424.26 - Step 5: Solve for x
x = 3,244,872,387,424.26/1,995,149.98 - Step 6: Final answer
x = 1,626,380.18
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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.