Finding the Fourth Proportional to 1,974,434.91, 2,961,652.41 and 478,526.91
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Solution
The fourth proportional to 1,974,434.91, 2,961,652.41 and 478,526.91 is: 717,790.37
Step by Step Solution
- Step 1: Write the proportion equation
1,974,434.91 : 2,961,652.41 = 478,526.91 : x - Step 2: Convert to fraction form
1,974,434.91/2,961,652.41 = 478,526.91/x - Step 3: Cross multiply
1,974,434.91x = 2,961,652.41 × 478,526.91 - Step 4: Simplify right side
1,974,434.91x = 1,417,230,365,145.16 - Step 5: Solve for x
x = 1,417,230,365,145.16/1,974,434.91 - Step 6: Final answer
x = 717,790.37
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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.