Finding the Fourth Proportional to 3,828,220.08, 5,283,316.02 and 2,859,668.88
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Solution
The fourth proportional to 3,828,220.08, 5,283,316.02 and 2,859,668.88 is: 3,946,621.17
Step by Step Solution
- Step 1: Write the proportion equation
3,828,220.08 : 5,283,316.02 = 2,859,668.88 : x - Step 2: Convert to fraction form
3,828,220.08/5,283,316.02 = 2,859,668.88/x - Step 3: Cross multiply
3,828,220.08x = 5,283,316.02 × 2,859,668.88 - Step 4: Simplify right side
3,828,220.08x = 15,108,534,405,599.46 - Step 5: Solve for x
x = 15,108,534,405,599.46/3,828,220.08 - Step 6: Final answer
x = 3,946,621.17
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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.