Finding the Fourth Proportional to 1,974,469.28, 2,961,703.94 and 478,561.28
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Solution
The fourth proportional to 1,974,469.28, 2,961,703.94 and 478,561.28 is: 717,841.92
Step by Step Solution
- Step 1: Write the proportion equation
1,974,469.28 : 2,961,703.94 = 478,561.28 : x - Step 2: Convert to fraction form
1,974,469.28/2,961,703.94 = 478,561.28/x - Step 3: Cross multiply
1,974,469.28x = 2,961,703.94 × 478,561.28 - Step 4: Simplify right side
1,974,469.28x = 1,417,356,811,306.12 - Step 5: Solve for x
x = 1,417,356,811,306.12/1,974,469.28 - Step 6: Final answer
x = 717,841.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.