Finding the Fourth Proportional to 1,581,386.28, 2,372,225.26 and 516,433.88
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Solution
The fourth proportional to 1,581,386.28, 2,372,225.26 and 516,433.88 is: 774,698.45
Step by Step Solution
- Step 1: Write the proportion equation
1,581,386.28 : 2,372,225.26 = 516,433.88 : x - Step 2: Convert to fraction form
1,581,386.28/2,372,225.26 = 516,433.88/x - Step 3: Cross multiply
1,581,386.28x = 2,372,225.26 × 516,433.88 - Step 4: Simplify right side
1,581,386.28x = 1,225,097,495,255.81 - Step 5: Solve for x
x = 1,225,097,495,255.81/1,581,386.28 - Step 6: Final answer
x = 774,698.45
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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.