Finding the Fourth Proportional to 2,993,299.40, 4,130,756.91 and 1,704,139.76
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Solution
The fourth proportional to 2,993,299.40, 4,130,756.91 and 1,704,139.76 is: 2,351,714.99
Step by Step Solution
- Step 1: Write the proportion equation
2,993,299.40 : 4,130,756.91 = 1,704,139.76 : x - Step 2: Convert to fraction form
2,993,299.40/4,130,756.91 = 1,704,139.76/x - Step 3: Cross multiply
2,993,299.40x = 4,130,756.91 × 1,704,139.76 - Step 4: Simplify right side
2,993,299.40x = 7,039,387,068,571.96 - Step 5: Solve for x
x = 7,039,387,068,571.96/2,993,299.40 - Step 6: Final answer
x = 2,351,714.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.