Finding the Fourth Proportional to 1,649,057.40, 2,473,521.42 and 689,265.12
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Solution
The fourth proportional to 1,649,057.40, 2,473,521.42 and 689,265.12 is: 1,033,870.65
Step by Step Solution
- Step 1: Write the proportion equation
1,649,057.40 : 2,473,521.42 = 689,265.12 : x - Step 2: Convert to fraction form
1,649,057.40/2,473,521.42 = 689,265.12/x - Step 3: Cross multiply
1,649,057.40x = 2,473,521.42 × 689,265.12 - Step 4: Simplify right side
1,649,057.40x = 1,704,912,038,378.87 - Step 5: Solve for x
x = 1,704,912,038,378.87/1,649,057.40 - Step 6: Final answer
x = 1,033,870.65
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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.