Finding the Fourth Proportional to 4,200,310, 6,300,465 and 1,208,494
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Solution
The fourth proportional to 4,200,310, 6,300,465 and 1,208,494 is: 1,812,741
Step by Step Solution
- Step 1: Write the proportion equation
4,200,310 : 6,300,465 = 1,208,494 : x - Step 2: Convert to fraction form
4,200,310/6,300,465 = 1,208,494/x - Step 3: Cross multiply
4,200,310x = 6,300,465 × 1,208,494 - Step 4: Simplify right side
4,200,310x = 7,614,074,149,710 - Step 5: Solve for x
x = 7,614,074,149,710/4,200,310 - Step 6: Final answer
x = 1,812,741
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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.