Finding the Fourth Proportional to 4,217,564.40, 5,820,228.38 and 2,283,824.88
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Solution
The fourth proportional to 4,217,564.40, 5,820,228.38 and 2,283,824.88 is: 3,151,672.65
Step by Step Solution
- Step 1: Write the proportion equation
4,217,564.40 : 5,820,228.38 = 2,283,824.88 : x - Step 2: Convert to fraction form
4,217,564.40/5,820,228.38 = 2,283,824.88/x - Step 3: Cross multiply
4,217,564.40x = 5,820,228.38 × 2,283,824.88 - Step 4: Simplify right side
4,217,564.40x = 13,292,382,370,106.97 - Step 5: Solve for x
x = 13,292,382,370,106.97/4,217,564.40 - Step 6: Final answer
x = 3,151,672.65
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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.