Finding the Fourth Proportional to 2,130,830.20, 3,192,746.10 and 1,773,911.80
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Solution
The fourth proportional to 2,130,830.20, 3,192,746.10 and 1,773,911.80 is: 2,657,954.62
Step by Step Solution
- Step 1: Write the proportion equation
2,130,830.20 : 3,192,746.10 = 1,773,911.80 : x - Step 2: Convert to fraction form
2,130,830.20/3,192,746.10 = 1,773,911.80/x - Step 3: Cross multiply
2,130,830.20x = 3,192,746.10 × 1,773,911.80 - Step 4: Simplify right side
2,130,830.20x = 5,663,649,981,193.98 - Step 5: Solve for x
x = 5,663,649,981,193.98/2,130,830.20 - Step 6: Final answer
x = 2,657,954.62
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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.