Finding the Fourth Proportional to 1,407,809.81, 1,944,381.35 and 954,313.49
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Solution
The fourth proportional to 1,407,809.81, 1,944,381.35 and 954,313.49 is: 1,318,039.80
Step by Step Solution
- Step 1: Write the proportion equation
1,407,809.81 : 1,944,381.35 = 954,313.49 : x - Step 2: Convert to fraction form
1,407,809.81/1,944,381.35 = 954,313.49/x - Step 3: Cross multiply
1,407,809.81x = 1,944,381.35 × 954,313.49 - Step 4: Simplify right side
1,407,809.81x = 1,855,549,359,256.15 - Step 5: Solve for x
x = 1,855,549,359,256.15/1,407,809.81 - Step 6: Final answer
x = 1,318,039.80
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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.