Finding the Fourth Proportional to 2,448,312.70, 3,672,469.05 and 1,121,208.70
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Solution
The fourth proportional to 2,448,312.70, 3,672,469.05 and 1,121,208.70 is: 1,681,813.05
Step by Step Solution
- Step 1: Write the proportion equation
2,448,312.70 : 3,672,469.05 = 1,121,208.70 : x - Step 2: Convert to fraction form
2,448,312.70/3,672,469.05 = 1,121,208.70/x - Step 3: Cross multiply
2,448,312.70x = 3,672,469.05 × 1,121,208.70 - Step 4: Simplify right side
2,448,312.70x = 4,117,604,249,340.74 - Step 5: Solve for x
x = 4,117,604,249,340.74/2,448,312.70 - Step 6: Final answer
x = 1,681,813.05
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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.