Finding the Fourth Proportional to 1,407,869.76, 1,944,463.95 and 954,373.44
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Solution
The fourth proportional to 1,407,869.76, 1,944,463.95 and 954,373.44 is: 1,318,122.46
Step by Step Solution
- Step 1: Write the proportion equation
1,407,869.76 : 1,944,463.95 = 954,373.44 : x - Step 2: Convert to fraction form
1,407,869.76/1,944,463.95 = 954,373.44/x - Step 3: Cross multiply
1,407,869.76x = 1,944,463.95 × 954,373.44 - Step 4: Simplify right side
1,407,869.76x = 1,855,744,748,917.49 - Step 5: Solve for x
x = 1,855,744,748,917.49/1,407,869.76 - Step 6: Final answer
x = 1,318,122.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.