Finding the Fourth Proportional to 1,720,813.80, 2,581,220.70 and 974,317.80
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Solution
The fourth proportional to 1,720,813.80, 2,581,220.70 and 974,317.80 is: 1,461,476.70
Step by Step Solution
- Step 1: Write the proportion equation
1,720,813.80 : 2,581,220.70 = 974,317.80 : x - Step 2: Convert to fraction form
1,720,813.80/2,581,220.70 = 974,317.80/x - Step 3: Cross multiply
1,720,813.80x = 2,581,220.70 × 974,317.80 - Step 4: Simplify right side
1,720,813.80x = 2,514,929,273,738.46 - Step 5: Solve for x
x = 2,514,929,273,738.46/1,720,813.80 - Step 6: Final answer
x = 1,461,476.70
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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.