Finding the Fourth Proportional to 1,567,313.92, 2,163,129.62 and 955,821.40
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Solution
The fourth proportional to 1,567,313.92, 2,163,129.62 and 955,821.40 is: 1,319,177.71
Step by Step Solution
- Step 1: Write the proportion equation
1,567,313.92 : 2,163,129.62 = 955,821.40 : x - Step 2: Convert to fraction form
1,567,313.92/2,163,129.62 = 955,821.40/x - Step 3: Cross multiply
1,567,313.92x = 2,163,129.62 × 955,821.40 - Step 4: Simplify right side
1,567,313.92x = 2,067,565,581,769.87 - Step 5: Solve for x
x = 2,067,565,581,769.87/1,567,313.92 - Step 6: Final answer
x = 1,319,177.71
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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.