Finding the Fourth Proportional to 2,140,689.08, 3,208,785.86 and 720,252.02
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Solution
The fourth proportional to 2,140,689.08, 3,208,785.86 and 720,252.02 is: 1,079,621.75
Step by Step Solution
- Step 1: Write the proportion equation
2,140,689.08 : 3,208,785.86 = 720,252.02 : x - Step 2: Convert to fraction form
2,140,689.08/3,208,785.86 = 720,252.02/x - Step 3: Cross multiply
2,140,689.08x = 3,208,785.86 × 720,252.02 - Step 4: Simplify right side
2,140,689.08x = 2,311,134,497,412.44 - Step 5: Solve for x
x = 2,311,134,497,412.44/2,140,689.08 - Step 6: Final answer
x = 1,079,621.75
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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.