Finding the Fourth Proportional to 1,798,740.50, 2,482,515.08 and 1,145,157.75
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Solution
The fourth proportional to 1,798,740.50, 2,482,515.08 and 1,145,157.75 is: 1,580,478.89
Step by Step Solution
- Step 1: Write the proportion equation
1,798,740.50 : 2,482,515.08 = 1,145,157.75 : x - Step 2: Convert to fraction form
1,798,740.50/2,482,515.08 = 1,145,157.75/x - Step 3: Cross multiply
1,798,740.50x = 2,482,515.08 × 1,145,157.75 - Step 4: Simplify right side
1,798,740.50x = 2,842,871,377,628.08 - Step 5: Solve for x
x = 2,842,871,377,628.08/1,798,740.50 - Step 6: Final answer
x = 1,580,478.89
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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.