Finding the Fourth Proportional to 1,638,316.68, 2,457,472.90 and 440,239.01
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Solution
The fourth proportional to 1,638,316.68, 2,457,472.90 and 440,239.01 is: 660,357.94
Step by Step Solution
- Step 1: Write the proportion equation
1,638,316.68 : 2,457,472.90 = 440,239.01 : x - Step 2: Convert to fraction form
1,638,316.68/2,457,472.90 = 440,239.01/x - Step 3: Cross multiply
1,638,316.68x = 2,457,472.90 × 440,239.01 - Step 4: Simplify right side
1,638,316.68x = 1,081,875,422,109.27 - Step 5: Solve for x
x = 1,081,875,422,109.27/1,638,316.68 - Step 6: Final answer
x = 660,357.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.