Finding the Fourth Proportional to 1,485,638.79, 2,052,104.70 and 1,228,554.18
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Solution
The fourth proportional to 1,485,638.79, 2,052,104.70 and 1,228,554.18 is: 1,696,995.14
Step by Step Solution
- Step 1: Write the proportion equation
1,485,638.79 : 2,052,104.70 = 1,228,554.18 : x - Step 2: Convert to fraction form
1,485,638.79/2,052,104.70 = 1,228,554.18/x - Step 3: Cross multiply
1,485,638.79x = 2,052,104.70 × 1,228,554.18 - Step 4: Simplify right side
1,485,638.79x = 2,521,121,806,982.65 - Step 5: Solve for x
x = 2,521,121,806,982.65/1,485,638.79 - Step 6: Final answer
x = 1,696,995.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.