Finding the Fourth Proportional to 2,224,840.80, 3,070,340.76 and 1,258,115.70
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Solution
The fourth proportional to 2,224,840.80, 3,070,340.76 and 1,258,115.70 is: 1,736,233.85
Step by Step Solution
- Step 1: Write the proportion equation
2,224,840.80 : 3,070,340.76 = 1,258,115.70 : x - Step 2: Convert to fraction form
2,224,840.80/3,070,340.76 = 1,258,115.70/x - Step 3: Cross multiply
2,224,840.80x = 3,070,340.76 × 1,258,115.70 - Step 4: Simplify right side
2,224,840.80x = 3,862,843,914,505.93 - Step 5: Solve for x
x = 3,862,843,914,505.93/2,224,840.80 - Step 6: Final answer
x = 1,736,233.85
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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.