Finding the Fourth Proportional to 1,762,462.20, 2,643,693.30 and 921,271.80
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Solution
The fourth proportional to 1,762,462.20, 2,643,693.30 and 921,271.80 is: 1,381,907.70
Step by Step Solution
- Step 1: Write the proportion equation
1,762,462.20 : 2,643,693.30 = 921,271.80 : x - Step 2: Convert to fraction form
1,762,462.20/2,643,693.30 = 921,271.80/x - Step 3: Cross multiply
1,762,462.20x = 2,643,693.30 × 921,271.80 - Step 4: Simplify right side
1,762,462.20x = 2,435,560,085,138.94 - Step 5: Solve for x
x = 2,435,560,085,138.94/1,762,462.20 - Step 6: Final answer
x = 1,381,907.70
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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.