Finding the Fourth Proportional to 1,536,434.75, 2,120,280.32 and 848,106.99
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Solution
The fourth proportional to 1,536,434.75, 2,120,280.32 and 848,106.99 is: 1,170,387.85
Step by Step Solution
- Step 1: Write the proportion equation
1,536,434.75 : 2,120,280.32 = 848,106.99 : x - Step 2: Convert to fraction form
1,536,434.75/2,120,280.32 = 848,106.99/x - Step 3: Cross multiply
1,536,434.75x = 2,120,280.32 × 848,106.99 - Step 4: Simplify right side
1,536,434.75x = 1,798,224,555,910.90 - Step 5: Solve for x
x = 1,798,224,555,910.90/1,536,434.75 - Step 6: Final answer
x = 1,170,387.85
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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.