Finding the Fourth Proportional to 1,974,431.13, 2,961,646.69 and 478,523.13
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Solution
The fourth proportional to 1,974,431.13, 2,961,646.69 and 478,523.13 is: 717,784.69
Step by Step Solution
- Step 1: Write the proportion equation
1,974,431.13 : 2,961,646.69 = 478,523.13 : x - Step 2: Convert to fraction form
1,974,431.13/2,961,646.69 = 478,523.13/x - Step 3: Cross multiply
1,974,431.13x = 2,961,646.69 × 478,523.13 - Step 4: Simplify right side
1,974,431.13x = 1,417,216,444,052.94 - Step 5: Solve for x
x = 1,417,216,444,052.94/1,974,431.13 - Step 6: Final answer
x = 717,784.69
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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.