Finding the Fourth Proportional to 1,574,189.70, 2,363,034.15 and 865,601.70
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Solution
The fourth proportional to 1,574,189.70, 2,363,034.15 and 865,601.70 is: 1,299,364.60
Step by Step Solution
- Step 1: Write the proportion equation
1,574,189.70 : 2,363,034.15 = 865,601.70 : x - Step 2: Convert to fraction form
1,574,189.70/2,363,034.15 = 865,601.70/x - Step 3: Cross multiply
1,574,189.70x = 2,363,034.15 × 865,601.70 - Step 4: Simplify right side
1,574,189.70x = 2,045,446,377,398.05 - Step 5: Solve for x
x = 2,045,446,377,398.05/1,574,189.70 - Step 6: Final answer
x = 1,299,364.60
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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.