Finding the Fourth Proportional to 2,698,980.38, 3,722,180.70 and 2,239,367.36
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Solution
The fourth proportional to 2,698,980.38, 3,722,180.70 and 2,239,367.36 is: 3,088,325.51
Step by Step Solution
- Step 1: Write the proportion equation
2,698,980.38 : 3,722,180.70 = 2,239,367.36 : x - Step 2: Convert to fraction form
2,698,980.38/3,722,180.70 = 2,239,367.36/x - Step 3: Cross multiply
2,698,980.38x = 3,722,180.70 × 2,239,367.36 - Step 4: Simplify right side
2,698,980.38x = 8,335,329,967,601.95 - Step 5: Solve for x
x = 8,335,329,967,601.95/2,698,980.38 - Step 6: Final answer
x = 3,088,325.51
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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.