Finding the Fourth Proportional to 2,542,678.36, 3,508,879.98 and 1,381,112.71
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Solution
The fourth proportional to 2,542,678.36, 3,508,879.98 and 1,381,112.71 is: 1,905,926.76
Step by Step Solution
- Step 1: Write the proportion equation
2,542,678.36 : 3,508,879.98 = 1,381,112.71 : x - Step 2: Convert to fraction form
2,542,678.36/3,508,879.98 = 1,381,112.71/x - Step 3: Cross multiply
2,542,678.36x = 3,508,879.98 × 1,381,112.71 - Step 4: Simplify right side
2,542,678.36x = 4,846,158,738,242.55 - Step 5: Solve for x
x = 4,846,158,738,242.55/2,542,678.36 - Step 6: Final answer
x = 1,905,926.76
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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.