Finding the Fourth Proportional to 3,237,731.36, 4,468,076.76 and 1,787,427.80
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Solution
The fourth proportional to 3,237,731.36, 4,468,076.76 and 1,787,427.80 is: 2,466,654.50
Step by Step Solution
- Step 1: Write the proportion equation
3,237,731.36 : 4,468,076.76 = 1,787,427.80 : x - Step 2: Convert to fraction form
3,237,731.36/4,468,076.76 = 1,787,427.80/x - Step 3: Cross multiply
3,237,731.36x = 4,468,076.76 × 1,787,427.80 - Step 4: Simplify right side
3,237,731.36x = 7,986,364,613,357.93 - Step 5: Solve for x
x = 7,986,364,613,357.93/3,237,731.36 - Step 6: Final answer
x = 2,466,654.50
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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.