Finding the Fourth Proportional to 5,535,470.40, 7,639,497.36 and 3,359,842.80
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Solution
The fourth proportional to 5,535,470.40, 7,639,497.36 and 3,359,842.80 is: 4,636,915.81
Step by Step Solution
- Step 1: Write the proportion equation
5,535,470.40 : 7,639,497.36 = 3,359,842.80 : x - Step 2: Convert to fraction form
5,535,470.40/7,639,497.36 = 3,359,842.80/x - Step 3: Cross multiply
5,535,470.40x = 7,639,497.36 × 3,359,842.80 - Step 4: Simplify right side
5,535,470.40x = 25,667,510,200,615.01 - Step 5: Solve for x
x = 25,667,510,200,615.01/5,535,470.40 - Step 6: Final answer
x = 4,636,915.81
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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.