Finding the Fourth Proportional to 2,197,203.70, 3,295,805.55 and 778,861.30
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Solution
The fourth proportional to 2,197,203.70, 3,295,805.55 and 778,861.30 is: 1,168,291.95
Step by Step Solution
- Step 1: Write the proportion equation
2,197,203.70 : 3,295,805.55 = 778,861.30 : x - Step 2: Convert to fraction form
2,197,203.70/3,295,805.55 = 778,861.30/x - Step 3: Cross multiply
2,197,203.70x = 3,295,805.55 × 778,861.30 - Step 4: Simplify right side
2,197,203.70x = 2,566,975,395,220.22 - Step 5: Solve for x
x = 2,566,975,395,220.22/2,197,203.70 - Step 6: Final answer
x = 1,168,291.95
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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.