Finding the Fourth Proportional to 2,973,812.99, 4,103,861.93 and 1,684,653.38
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Solution
The fourth proportional to 2,973,812.99, 4,103,861.93 and 1,684,653.38 is: 2,324,821.66
Step by Step Solution
- Step 1: Write the proportion equation
2,973,812.99 : 4,103,861.93 = 1,684,653.38 : x - Step 2: Convert to fraction form
2,973,812.99/4,103,861.93 = 1,684,653.38/x - Step 3: Cross multiply
2,973,812.99x = 4,103,861.93 × 1,684,653.38 - Step 4: Simplify right side
2,973,812.99x = 6,913,584,842,485.25 - Step 5: Solve for x
x = 6,913,584,842,485.25/2,973,812.99 - Step 6: Final answer
x = 2,324,821.66
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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.