Finding the Fourth Proportional to 1,878,258.22, 2,813,609.08 and 1,423,627.05
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Solution
The fourth proportional to 1,878,258.22, 2,813,609.08 and 1,423,627.05 is: 2,132,576.85
Step by Step Solution
- Step 1: Write the proportion equation
1,878,258.22 : 2,813,609.08 = 1,423,627.05 : x - Step 2: Convert to fraction form
1,878,258.22/2,813,609.08 = 1,423,627.05/x - Step 3: Cross multiply
1,878,258.22x = 2,813,609.08 × 1,423,627.05 - Step 4: Simplify right side
1,878,258.22x = 4,005,529,994,413.61 - Step 5: Solve for x
x = 4,005,529,994,413.61/1,878,258.22 - Step 6: Final answer
x = 2,132,576.85
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1.5x scale
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.