Finding the Fourth Proportional to 1,722,643.40, 2,584,515.90 and 524,793.80
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Solution
The fourth proportional to 1,722,643.40, 2,584,515.90 and 524,793.80 is: 787,358.50
Step by Step Solution
- Step 1: Write the proportion equation
1,722,643.40 : 2,584,515.90 = 524,793.80 : x - Step 2: Convert to fraction form
1,722,643.40/2,584,515.90 = 524,793.80/x - Step 3: Cross multiply
1,722,643.40x = 2,584,515.90 × 524,793.80 - Step 4: Simplify right side
1,722,643.40x = 1,356,337,920,321.42 - Step 5: Solve for x
x = 1,356,337,920,321.42/1,722,643.40 - Step 6: Final answer
x = 787,358.50
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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.