Finding the Fourth Proportional to 2,130,106.74, 3,195,609.04 and 690,677.96
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Solution
The fourth proportional to 2,130,106.74, 3,195,609.04 and 690,677.96 is: 1,036,162.50
Step by Step Solution
- Step 1: Write the proportion equation
2,130,106.74 : 3,195,609.04 = 690,677.96 : x - Step 2: Convert to fraction form
2,130,106.74/3,195,609.04 = 690,677.96/x - Step 3: Cross multiply
2,130,106.74x = 3,195,609.04 × 690,677.96 - Step 4: Simplify right side
2,130,106.74x = 2,207,136,732,704.76 - Step 5: Solve for x
x = 2,207,136,732,704.76/2,130,106.74 - Step 6: Final answer
x = 1,036,162.50
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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.