Finding the Fourth Proportional to 1,574,871.36, 2,173,036.32 and 930,396.48
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Solution
The fourth proportional to 1,574,871.36, 2,173,036.32 and 930,396.48 is: 1,283,778.09
Step by Step Solution
- Step 1: Write the proportion equation
1,574,871.36 : 2,173,036.32 = 930,396.48 : x - Step 2: Convert to fraction form
1,574,871.36/2,173,036.32 = 930,396.48/x - Step 3: Cross multiply
1,574,871.36x = 2,173,036.32 × 930,396.48 - Step 4: Simplify right side
1,574,871.36x = 2,021,785,343,040.15 - Step 5: Solve for x
x = 2,021,785,343,040.15/1,574,871.36 - Step 6: Final answer
x = 1,283,778.09
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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.