Finding the Fourth Proportional to 2,666,313.40, 3,999,815.70 and 1,319,164.60
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Solution
The fourth proportional to 2,666,313.40, 3,999,815.70 and 1,319,164.60 is: 1,978,917.89
Step by Step Solution
- Step 1: Write the proportion equation
2,666,313.40 : 3,999,815.70 = 1,319,164.60 : x - Step 2: Convert to fraction form
2,666,313.40/3,999,815.70 = 1,319,164.60/x - Step 3: Cross multiply
2,666,313.40x = 3,999,815.70 × 1,319,164.60 - Step 4: Simplify right side
2,666,313.40x = 5,276,415,277,964.22 - Step 5: Solve for x
x = 5,276,415,277,964.22/2,666,313.40 - Step 6: Final answer
x = 1,978,917.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.