Finding the Fourth Proportional to 1,668,865.75, 2,502,470.37 and 531,479.63
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Solution
The fourth proportional to 1,668,865.75, 2,502,470.37 and 531,479.63 is: 796,955.67
Step by Step Solution
- Step 1: Write the proportion equation
1,668,865.75 : 2,502,470.37 = 531,479.63 : x - Step 2: Convert to fraction form
1,668,865.75/2,502,470.37 = 531,479.63/x - Step 3: Cross multiply
1,668,865.75x = 2,502,470.37 × 531,479.63 - Step 4: Simplify right side
1,668,865.75x = 1,330,012,026,333.56 - Step 5: Solve for x
x = 1,330,012,026,333.56/1,668,865.75 - Step 6: Final answer
x = 796,955.67
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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.