Finding the Fourth Proportional to 2,738,479.84, 3,778,811.24 and 1,514,590.90
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Solution
The fourth proportional to 2,738,479.84, 3,778,811.24 and 1,514,590.90 is: 2,089,974.53
Step by Step Solution
- Step 1: Write the proportion equation
2,738,479.84 : 3,778,811.24 = 1,514,590.90 : x - Step 2: Convert to fraction form
2,738,479.84/3,778,811.24 = 1,514,590.90/x - Step 3: Cross multiply
2,738,479.84x = 3,778,811.24 × 1,514,590.90 - Step 4: Simplify right side
2,738,479.84x = 5,723,353,116,921.72 - Step 5: Solve for x
x = 5,723,353,116,921.72/2,738,479.84 - Step 6: Final answer
x = 2,089,974.53
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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.