Finding the Fourth Proportional to 1,828,995.80, 2,743,493.70 and 831,723.80
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Solution
The fourth proportional to 1,828,995.80, 2,743,493.70 and 831,723.80 is: 1,247,585.70
Step by Step Solution
- Step 1: Write the proportion equation
1,828,995.80 : 2,743,493.70 = 831,723.80 : x - Step 2: Convert to fraction form
1,828,995.80/2,743,493.70 = 831,723.80/x - Step 3: Cross multiply
1,828,995.80x = 2,743,493.70 × 831,723.80 - Step 4: Simplify right side
1,828,995.80x = 2,281,829,005,440.06 - Step 5: Solve for x
x = 2,281,829,005,440.06/1,828,995.80 - Step 6: Final answer
x = 1,247,585.70
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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.