Finding the Fourth Proportional to 6,415,739.19, 9,623,731.68 and 2,097,805.59
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Solution
The fourth proportional to 6,415,739.19, 9,623,731.68 and 2,097,805.59 is: 3,146,748.57
Step by Step Solution
- Step 1: Write the proportion equation
6,415,739.19 : 9,623,731.68 = 2,097,805.59 : x - Step 2: Convert to fraction form
6,415,739.19/9,623,731.68 = 2,097,805.59/x - Step 3: Cross multiply
6,415,739.19x = 9,623,731.68 × 2,097,805.59 - Step 4: Simplify right side
6,415,739.19x = 20,188,718,114,964.09 - Step 5: Solve for x
x = 20,188,718,114,964.09/6,415,739.19 - Step 6: Final answer
x = 3,146,748.57
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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.