Finding the Fourth Proportional to 7,772,989.70, 11,660,979.00 and 2,980,305.19
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Solution
The fourth proportional to 7,772,989.70, 11,660,979.00 and 2,980,305.19 is: 4,471,030.79
Step by Step Solution
- Step 1: Write the proportion equation
7,772,989.70 : 11,660,979.00 = 2,980,305.19 : x - Step 2: Convert to fraction form
7,772,989.70/11,660,979.00 = 2,980,305.19/x - Step 3: Cross multiply
7,772,989.70x = 11,660,979.00 × 2,980,305.19 - Step 4: Simplify right side
7,772,989.70x = 34,753,276,259,933.38 - Step 5: Solve for x
x = 34,753,276,259,933.38/7,772,989.70 - Step 6: Final answer
x = 4,471,030.79
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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.