Finding the Fourth Proportional to 2,195,942.84, 3,289,116.99 and 912,659.54
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Solution
The fourth proportional to 2,195,942.84, 3,289,116.99 and 912,659.54 is: 1,366,995.50
Step by Step Solution
- Step 1: Write the proportion equation
2,195,942.84 : 3,289,116.99 = 912,659.54 : x - Step 2: Convert to fraction form
2,195,942.84/3,289,116.99 = 912,659.54/x - Step 3: Cross multiply
2,195,942.84x = 3,289,116.99 × 912,659.54 - Step 4: Simplify right side
2,195,942.84x = 3,001,843,984,543.00 - Step 5: Solve for x
x = 3,001,843,984,543.00/2,195,942.84 - Step 6: Final answer
x = 1,366,995.50
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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.