Finding the Fourth Proportional to 3,883,434.10, 5,824,216.64 and 1,187,782.58
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Solution
The fourth proportional to 3,883,434.10, 5,824,216.64 and 1,187,782.58 is: 1,781,388.05
Step by Step Solution
- Step 1: Write the proportion equation
3,883,434.10 : 5,824,216.64 = 1,187,782.58 : x - Step 2: Convert to fraction form
3,883,434.10/5,824,216.64 = 1,187,782.58/x - Step 3: Cross multiply
3,883,434.10x = 5,824,216.64 × 1,187,782.58 - Step 4: Simplify right side
3,883,434.10x = 6,917,903,084,668.13 - Step 5: Solve for x
x = 6,917,903,084,668.13/3,883,434.10 - Step 6: Final answer
x = 1,781,388.05
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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.