Finding the Fourth Proportional to 1,698,527.27, 2,344,836.08 and 1,310,470.76
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Solution
The fourth proportional to 1,698,527.27, 2,344,836.08 and 1,310,470.76 is: 1,809,119.69
Step by Step Solution
- Step 1: Write the proportion equation
1,698,527.27 : 2,344,836.08 = 1,310,470.76 : x - Step 2: Convert to fraction form
1,698,527.27/2,344,836.08 = 1,310,470.76/x - Step 3: Cross multiply
1,698,527.27x = 2,344,836.08 × 1,310,470.76 - Step 4: Simplify right side
1,698,527.27x = 3,072,839,128,971.29 - Step 5: Solve for x
x = 3,072,839,128,971.29/1,698,527.27 - Step 6: Final answer
x = 1,809,119.69
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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.