Finding the Fourth Proportional to 4,764,566.74, 7,146,259.16 and 2,820,452.13
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Solution
The fourth proportional to 4,764,566.74, 7,146,259.16 and 2,820,452.13 is: 4,230,328.37
Step by Step Solution
- Step 1: Write the proportion equation
4,764,566.74 : 7,146,259.16 = 2,820,452.13 : x - Step 2: Convert to fraction form
4,764,566.74/7,146,259.16 = 2,820,452.13/x - Step 3: Cross multiply
4,764,566.74x = 7,146,259.16 × 2,820,452.13 - Step 4: Simplify right side
4,764,566.74x = 20,155,681,869,354.01 - Step 5: Solve for x
x = 20,155,681,869,354.01/4,764,566.74 - Step 6: Final answer
x = 4,230,328.37
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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.