Finding the Fourth Proportional to 2,195,623.40, 3,292,615.90 and 865,652.20
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Solution
The fourth proportional to 2,195,623.40, 3,292,615.90 and 865,652.20 is: 1,298,155.32
Step by Step Solution
- Step 1: Write the proportion equation
2,195,623.40 : 3,292,615.90 = 865,652.20 : x - Step 2: Convert to fraction form
2,195,623.40/3,292,615.90 = 865,652.20/x - Step 3: Cross multiply
2,195,623.40x = 3,292,615.90 × 865,652.20 - Step 4: Simplify right side
2,195,623.40x = 2,850,260,197,589.98 - Step 5: Solve for x
x = 2,850,260,197,589.98/2,195,623.40 - Step 6: Final answer
x = 1,298,155.32
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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.