Finding the Fourth Proportional to 2,015,620.08, 2,781,555.22 and 1,110,202.08
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Solution
The fourth proportional to 2,015,620.08, 2,781,555.22 and 1,110,202.08 is: 1,532,078.60
Step by Step Solution
- Step 1: Write the proportion equation
2,015,620.08 : 2,781,555.22 = 1,110,202.08 : x - Step 2: Convert to fraction form
2,015,620.08/2,781,555.22 = 1,110,202.08/x - Step 3: Cross multiply
2,015,620.08x = 2,781,555.22 × 1,110,202.08 - Step 4: Simplify right side
2,015,620.08x = 3,088,088,390,878.86 - Step 5: Solve for x
x = 3,088,088,390,878.86/2,015,620.08 - Step 6: Final answer
x = 1,532,078.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.