Finding the Fourth Proportional to 5,735,698.99, 7,915,365.29 and 3,122,278.21
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Solution
The fourth proportional to 5,735,698.99, 7,915,365.29 and 3,122,278.21 is: 4,308,798.74
Step by Step Solution
- Step 1: Write the proportion equation
5,735,698.99 : 7,915,365.29 = 3,122,278.21 : x - Step 2: Convert to fraction form
5,735,698.99/7,915,365.29 = 3,122,278.21/x - Step 3: Cross multiply
5,735,698.99x = 7,915,365.29 × 3,122,278.21 - Step 4: Simplify right side
5,735,698.99x = 24,713,972,553,545.94 - Step 5: Solve for x
x = 24,713,972,553,545.94/5,735,698.99 - Step 6: Final answer
x = 4,308,798.74
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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.