Finding the Fourth Proportional to 1,497,681.60, 2,246,716.80 and 739,910.40
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Solution
The fourth proportional to 1,497,681.60, 2,246,716.80 and 739,910.40 is: 1,109,961.64
Step by Step Solution
- Step 1: Write the proportion equation
1,497,681.60 : 2,246,716.80 = 739,910.40 : x - Step 2: Convert to fraction form
1,497,681.60/2,246,716.80 = 739,910.40/x - Step 3: Cross multiply
1,497,681.60x = 2,246,716.80 × 739,910.40 - Step 4: Simplify right side
1,497,681.60x = 1,662,369,126,174.72 - Step 5: Solve for x
x = 1,662,369,126,174.72/1,497,681.60 - Step 6: Final answer
x = 1,109,961.64
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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.