Finding the Fourth Proportional to 2,130,309.90, 3,195,481.05 and 710,363.70
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Solution
The fourth proportional to 2,130,309.90, 3,195,481.05 and 710,363.70 is: 1,065,550.95
Step by Step Solution
- Step 1: Write the proportion equation
2,130,309.90 : 3,195,481.05 = 710,363.70 : x - Step 2: Convert to fraction form
2,130,309.90/3,195,481.05 = 710,363.70/x - Step 3: Cross multiply
2,130,309.90x = 3,195,481.05 × 710,363.70 - Step 4: Simplify right side
2,130,309.90x = 2,269,953,741,957.88 - Step 5: Solve for x
x = 2,269,953,741,957.88/2,130,309.90 - Step 6: Final answer
x = 1,065,550.95
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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.