Finding the Fourth Proportional to 4,113,844.40, 6,171,515.40 and 1,418,556.08
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Solution
The fourth proportional to 4,113,844.40, 6,171,515.40 and 1,418,556.08 is: 2,128,092.32
Step by Step Solution
- Step 1: Write the proportion equation
4,113,844.40 : 6,171,515.40 = 1,418,556.08 : x - Step 2: Convert to fraction form
4,113,844.40/6,171,515.40 = 1,418,556.08/x - Step 3: Cross multiply
4,113,844.40x = 6,171,515.40 × 1,418,556.08 - Step 4: Simplify right side
4,113,844.40x = 8,754,640,693,483.63 - Step 5: Solve for x
x = 8,754,640,693,483.63/4,113,844.40 - Step 6: Final answer
x = 2,128,092.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.