Finding the Fourth Proportional to 6,748,801.20, 10,124,076.60 and 3,338,830.80
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Solution
The fourth proportional to 6,748,801.20, 10,124,076.60 and 3,338,830.80 is: 5,008,678.99
Step by Step Solution
- Step 1: Write the proportion equation
6,748,801.20 : 10,124,076.60 = 3,338,830.80 : x - Step 2: Convert to fraction form
6,748,801.20/10,124,076.60 = 3,338,830.80/x - Step 3: Cross multiply
6,748,801.20x = 10,124,076.60 × 3,338,830.80 - Step 4: Simplify right side
6,748,801.20x = 33,802,578,773,639.28 - Step 5: Solve for x
x = 33,802,578,773,639.28/6,748,801.20 - Step 6: Final answer
x = 5,008,678.99
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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.