Finding the Fourth Proportional to 3,015,732.04, 4,522,417.02 and 1,121,440.12
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Solution
The fourth proportional to 3,015,732.04, 4,522,417.02 and 1,121,440.12 is: 1,681,720.99
Step by Step Solution
- Step 1: Write the proportion equation
3,015,732.04 : 4,522,417.02 = 1,121,440.12 : x - Step 2: Convert to fraction form
3,015,732.04/4,522,417.02 = 1,121,440.12/x - Step 3: Cross multiply
3,015,732.04x = 4,522,417.02 × 1,121,440.12 - Step 4: Simplify right side
3,015,732.04x = 5,071,619,885,598.84 - Step 5: Solve for x
x = 5,071,619,885,598.84/3,015,732.04 - Step 6: Final answer
x = 1,681,720.99
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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.