Finding the Fourth Proportional to 2,823,395.78, 3,896,283.20 and 1,534,233.09
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Solution
The fourth proportional to 2,823,395.78, 3,896,283.20 and 1,534,233.09 is: 2,117,240.05
Step by Step Solution
- Step 1: Write the proportion equation
2,823,395.78 : 3,896,283.20 = 1,534,233.09 : x - Step 2: Convert to fraction form
2,823,395.78/3,896,283.20 = 1,534,233.09/x - Step 3: Cross multiply
2,823,395.78x = 3,896,283.20 × 1,534,233.09 - Step 4: Simplify right side
2,823,395.78x = 5,977,806,605,779.92 - Step 5: Solve for x
x = 5,977,806,605,779.92/2,823,395.78 - Step 6: Final answer
x = 2,117,240.05
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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.