Finding the Fourth Proportional to 5,702,426, 7,869,362.32 and 3,124,157.84
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Solution
The fourth proportional to 5,702,426, 7,869,362.32 and 3,124,157.84 is: 4,311,345.73
Step by Step Solution
- Step 1: Write the proportion equation
5,702,426 : 7,869,362.32 = 3,124,157.84 : x - Step 2: Convert to fraction form
5,702,426/7,869,362.32 = 3,124,157.84/x - Step 3: Cross multiply
5,702,426x = 7,869,362.32 × 3,124,157.84 - Step 4: Simplify right side
5,702,426x = 24,585,129,987,828.59 - Step 5: Solve for x
x = 24,585,129,987,828.59/5,702,426 - Step 6: Final answer
x = 4,311,345.73
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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.