Finding the Fourth Proportional to 1,786,325.28, 2,465,518.65 and 1,098,588.81
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Solution
The fourth proportional to 1,786,325.28, 2,465,518.65 and 1,098,588.81 is: 1,516,292.26
Step by Step Solution
- Step 1: Write the proportion equation
1,786,325.28 : 2,465,518.65 = 1,098,588.81 : x - Step 2: Convert to fraction form
1,786,325.28/2,465,518.65 = 1,098,588.81/x - Step 3: Cross multiply
1,786,325.28x = 2,465,518.65 × 1,098,588.81 - Step 4: Simplify right side
1,786,325.28x = 2,708,591,199,736.31 - Step 5: Solve for x
x = 2,708,591,199,736.31/1,786,325.28 - Step 6: Final answer
x = 1,516,292.26
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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.