Finding the Fourth Proportional to 3,223,028.12, 4,447,862.96 and 1,772,761.62
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Solution
The fourth proportional to 3,223,028.12, 4,447,862.96 and 1,772,761.62 is: 2,446,457.32
Step by Step Solution
- Step 1: Write the proportion equation
3,223,028.12 : 4,447,862.96 = 1,772,761.62 : x - Step 2: Convert to fraction form
3,223,028.12/4,447,862.96 = 1,772,761.62/x - Step 3: Cross multiply
3,223,028.12x = 4,447,862.96 × 1,772,761.62 - Step 4: Simplify right side
3,223,028.12x = 7,885,000,746,507.60 - Step 5: Solve for x
x = 7,885,000,746,507.60/3,223,028.12 - Step 6: Final answer
x = 2,446,457.32
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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.