Finding the Fourth Proportional to 1,471,237.68, 2,193,981.54 and 1,457,784.84
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Solution
The fourth proportional to 1,471,237.68, 2,193,981.54 and 1,457,784.84 is: 2,173,920.01
Step by Step Solution
- Step 1: Write the proportion equation
1,471,237.68 : 2,193,981.54 = 1,457,784.84 : x - Step 2: Convert to fraction form
1,471,237.68/2,193,981.54 = 1,457,784.84/x - Step 3: Cross multiply
1,471,237.68x = 2,193,981.54 × 1,457,784.84 - Step 4: Simplify right side
1,471,237.68x = 3,198,353,028,251.85 - Step 5: Solve for x
x = 3,198,353,028,251.85/1,471,237.68 - Step 6: Final answer
x = 2,173,920.01
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.