Finding the Fourth Proportional to 1,720,281.76, 2,374,299.12 and 995,028.64
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Solution
The fourth proportional to 1,720,281.76, 2,374,299.12 and 995,028.64 is: 1,373,319.00
Step by Step Solution
- Step 1: Write the proportion equation
1,720,281.76 : 2,374,299.12 = 995,028.64 : x - Step 2: Convert to fraction form
1,720,281.76/2,374,299.12 = 995,028.64/x - Step 3: Cross multiply
1,720,281.76x = 2,374,299.12 × 995,028.64 - Step 4: Simplify right side
1,720,281.76x = 2,362,495,624,326.80 - Step 5: Solve for x
x = 2,362,495,624,326.80/1,720,281.76 - Step 6: Final answer
x = 1,373,319.00
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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.