Finding the Fourth Proportional to 3,819,616.19, 5,728,208.93 and 1,260,354.05
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Solution
The fourth proportional to 3,819,616.19, 5,728,208.93 and 1,260,354.05 is: 1,890,130.04
Step by Step Solution
- Step 1: Write the proportion equation
3,819,616.19 : 5,728,208.93 = 1,260,354.05 : x - Step 2: Convert to fraction form
3,819,616.19/5,728,208.93 = 1,260,354.05/x - Step 3: Cross multiply
3,819,616.19x = 5,728,208.93 × 1,260,354.05 - Step 4: Simplify right side
3,819,616.19x = 7,219,571,317,869.90 - Step 5: Solve for x
x = 7,219,571,317,869.90/3,819,616.19 - Step 6: Final answer
x = 1,890,130.04
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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.