Finding the Fourth Proportional to 3,124,469.70, 4,311,564.66 and 1,747,574.82
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Solution
The fourth proportional to 3,124,469.70, 4,311,564.66 and 1,747,574.82 is: 2,411,539.42
Step by Step Solution
- Step 1: Write the proportion equation
3,124,469.70 : 4,311,564.66 = 1,747,574.82 : x - Step 2: Convert to fraction form
3,124,469.70/4,311,564.66 = 1,747,574.82/x - Step 3: Cross multiply
3,124,469.70x = 4,311,564.66 × 1,747,574.82 - Step 4: Simplify right side
3,124,469.70x = 7,534,781,834,617.86 - Step 5: Solve for x
x = 7,534,781,834,617.86/3,124,469.70 - Step 6: Final answer
x = 2,411,539.42
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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.