Finding the Fourth Proportional to 1,520,272.36, 2,097,832.98 and 1,029,243.03
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Solution
The fourth proportional to 1,520,272.36, 2,097,832.98 and 1,029,243.03 is: 1,420,258.65
Step by Step Solution
- Step 1: Write the proportion equation
1,520,272.36 : 2,097,832.98 = 1,029,243.03 : x - Step 2: Convert to fraction form
1,520,272.36/2,097,832.98 = 1,029,243.03/x - Step 3: Cross multiply
1,520,272.36x = 2,097,832.98 × 1,029,243.03 - Step 4: Simplify right side
1,520,272.36x = 2,159,179,972,769.13 - Step 5: Solve for x
x = 2,159,179,972,769.13/1,520,272.36 - Step 6: Final answer
x = 1,420,258.65
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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.