Finding the Fourth Proportional to 1,748,628.18, 2,622,947.13 and 486,457.02
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Solution
The fourth proportional to 1,748,628.18, 2,622,947.13 and 486,457.02 is: 729,686.88
Step by Step Solution
- Step 1: Write the proportion equation
1,748,628.18 : 2,622,947.13 = 486,457.02 : x - Step 2: Convert to fraction form
1,748,628.18/2,622,947.13 = 486,457.02/x - Step 3: Cross multiply
1,748,628.18x = 2,622,947.13 × 486,457.02 - Step 4: Simplify right side
1,748,628.18x = 1,275,951,044,477.35 - Step 5: Solve for x
x = 1,275,951,044,477.35/1,748,628.18 - Step 6: Final answer
x = 729,686.88
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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.