Finding the Fourth Proportional to 1,574,624.20, 2,360,186.70 and 865,161.40
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Solution
The fourth proportional to 1,574,624.20, 2,360,186.70 and 865,161.40 is: 1,296,780.80
Step by Step Solution
- Step 1: Write the proportion equation
1,574,624.20 : 2,360,186.70 = 865,161.40 : x - Step 2: Convert to fraction form
1,574,624.20/2,360,186.70 = 865,161.40/x - Step 3: Cross multiply
1,574,624.20x = 2,360,186.70 × 865,161.40 - Step 4: Simplify right side
1,574,624.20x = 2,041,942,429,633.38 - Step 5: Solve for x
x = 2,041,942,429,633.38/1,574,624.20 - Step 6: Final answer
x = 1,296,780.80
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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.