Finding the Fourth Proportional to 1,648,905.80, 2,473,358.70 and 809,097.80
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Solution
The fourth proportional to 1,648,905.80, 2,473,358.70 and 809,097.80 is: 1,213,646.70
Step by Step Solution
- Step 1: Write the proportion equation
1,648,905.80 : 2,473,358.70 = 809,097.80 : x - Step 2: Convert to fraction form
1,648,905.80/2,473,358.70 = 809,097.80/x - Step 3: Cross multiply
1,648,905.80x = 2,473,358.70 × 809,097.80 - Step 4: Simplify right side
1,648,905.80x = 2,001,189,082,780.86 - Step 5: Solve for x
x = 2,001,189,082,780.86/1,648,905.80 - Step 6: Final answer
x = 1,213,646.70
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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.