Finding the Fourth Proportional to 2,819,969.64, 3,891,580.97 and 1,562,678.01
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Solution
The fourth proportional to 2,819,969.64, 3,891,580.97 and 1,562,678.01 is: 2,156,508.32
Step by Step Solution
- Step 1: Write the proportion equation
2,819,969.64 : 3,891,580.97 = 1,562,678.01 : x - Step 2: Convert to fraction form
2,819,969.64/3,891,580.97 = 1,562,678.01/x - Step 3: Cross multiply
2,819,969.64x = 3,891,580.97 × 1,562,678.01 - Step 4: Simplify right side
2,819,969.64x = 6,081,287,998,140.08 - Step 5: Solve for x
x = 6,081,287,998,140.08/2,819,969.64 - Step 6: Final answer
x = 2,156,508.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.