Finding the Fourth Proportional to 2,197,108.70, 3,295,663.05 and 778,766.30
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Solution
The fourth proportional to 2,197,108.70, 3,295,663.05 and 778,766.30 is: 1,168,149.45
Step by Step Solution
- Step 1: Write the proportion equation
2,197,108.70 : 3,295,663.05 = 778,766.30 : x - Step 2: Convert to fraction form
2,197,108.70/3,295,663.05 = 778,766.30/x - Step 3: Cross multiply
2,197,108.70x = 3,295,663.05 × 778,766.30 - Step 4: Simplify right side
2,197,108.70x = 2,566,551,319,495.22 - Step 5: Solve for x
x = 2,566,551,319,495.22/2,197,108.70 - Step 6: Final answer
x = 1,168,149.45
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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.