Finding the Fourth Proportional to 3,722,580.69, 5,136,364.47 and 2,173,139.13
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Solution
The fourth proportional to 3,722,580.69, 5,136,364.47 and 2,173,139.13 is: 2,998,466.80
Step by Step Solution
- Step 1: Write the proportion equation
3,722,580.69 : 5,136,364.47 = 2,173,139.13 : x - Step 2: Convert to fraction form
3,722,580.69/5,136,364.47 = 2,173,139.13/x - Step 3: Cross multiply
3,722,580.69x = 5,136,364.47 × 2,173,139.13 - Step 4: Simplify right side
3,722,580.69x = 11,162,034,615,698.71 - Step 5: Solve for x
x = 11,162,034,615,698.71/3,722,580.69 - Step 6: Final answer
x = 2,998,466.80
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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.