Finding the Fourth Proportional to 1,515,518.22, 2,271,309.02 and 615,913.08
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Solution
The fourth proportional to 1,515,518.22, 2,271,309.02 and 615,913.08 is: 923,069.69
Step by Step Solution
- Step 1: Write the proportion equation
1,515,518.22 : 2,271,309.02 = 615,913.08 : x - Step 2: Convert to fraction form
1,515,518.22/2,271,309.02 = 615,913.08/x - Step 3: Cross multiply
1,515,518.22x = 2,271,309.02 × 615,913.08 - Step 4: Simplify right side
1,515,518.22x = 1,398,928,934,139.98 - Step 5: Solve for x
x = 1,398,928,934,139.98/1,515,518.22 - Step 6: Final answer
x = 923,069.69
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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.