Finding the Fourth Proportional to 3,758,256.63, 5,186,407.91 and 2,039,377.09
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Solution
The fourth proportional to 3,758,256.63, 5,186,407.91 and 2,039,377.09 is: 2,814,347.85
Step by Step Solution
- Step 1: Write the proportion equation
3,758,256.63 : 5,186,407.91 = 2,039,377.09 : x - Step 2: Convert to fraction form
3,758,256.63/5,186,407.91 = 2,039,377.09/x - Step 3: Cross multiply
3,758,256.63x = 5,186,407.91 × 2,039,377.09 - Step 4: Simplify right side
3,758,256.63x = 10,577,041,471,048.78 - Step 5: Solve for x
x = 10,577,041,471,048.78/3,758,256.63 - Step 6: Final answer
x = 2,814,347.85
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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.