Finding the Fourth Proportional to 2,140,695.08, 3,208,794.86 and 720,258.02
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Solution
The fourth proportional to 2,140,695.08, 3,208,794.86 and 720,258.02 is: 1,079,630.75
Step by Step Solution
- Step 1: Write the proportion equation
2,140,695.08 : 3,208,794.86 = 720,258.02 : x - Step 2: Convert to fraction form
2,140,695.08/3,208,794.86 = 720,258.02/x - Step 3: Cross multiply
2,140,695.08x = 3,208,794.86 × 720,258.02 - Step 4: Simplify right side
2,140,695.08x = 2,311,160,232,449.78 - Step 5: Solve for x
x = 2,311,160,232,449.78/2,140,695.08 - Step 6: Final answer
x = 1,079,630.75
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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.