Finding the Fourth Proportional to 3,849,701.48, 5,312,635.26 and 2,130,982.28
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Solution
The fourth proportional to 3,849,701.48, 5,312,635.26 and 2,130,982.28 is: 2,940,781.68
Step by Step Solution
- Step 1: Write the proportion equation
3,849,701.48 : 5,312,635.26 = 2,130,982.28 : x - Step 2: Convert to fraction form
3,849,701.48/5,312,635.26 = 2,130,982.28/x - Step 3: Cross multiply
3,849,701.48x = 5,312,635.26 × 2,130,982.28 - Step 4: Simplify right side
3,849,701.48x = 11,321,131,599,163.19 - Step 5: Solve for x
x = 11,321,131,599,163.19/3,849,701.48 - Step 6: Final answer
x = 2,940,781.68
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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.