Finding the Fourth Proportional to 5,160,079.08, 7,742,249.73 and 2,599,910.46
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Solution
The fourth proportional to 5,160,079.08, 7,742,249.73 and 2,599,910.46 is: 3,900,939.45
Step by Step Solution
- Step 1: Write the proportion equation
5,160,079.08 : 7,742,249.73 = 2,599,910.46 : x - Step 2: Convert to fraction form
5,160,079.08/7,742,249.73 = 2,599,910.46/x - Step 3: Cross multiply
5,160,079.08x = 7,742,249.73 × 2,599,910.46 - Step 4: Simplify right side
5,160,079.08x = 20,129,156,056,959.18 - Step 5: Solve for x
x = 20,129,156,056,959.18/5,160,079.08 - Step 6: Final answer
x = 3,900,939.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.