Finding the Fourth Proportional to 3,396,802.14, 4,685,800.32 and 2,019,165.96
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Solution
The fourth proportional to 3,396,802.14, 4,685,800.32 and 2,019,165.96 is: 2,785,386.99
Step by Step Solution
- Step 1: Write the proportion equation
3,396,802.14 : 4,685,800.32 = 2,019,165.96 : x - Step 2: Convert to fraction form
3,396,802.14/4,685,800.32 = 2,019,165.96/x - Step 3: Cross multiply
3,396,802.14x = 4,685,800.32 × 2,019,165.96 - Step 4: Simplify right side
3,396,802.14x = 9,461,408,501,501.11 - Step 5: Solve for x
x = 9,461,408,501,501.11/3,396,802.14 - Step 6: Final answer
x = 2,785,386.99
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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.