Finding the Fourth Proportional to 1,668,943.92, 2,503,611.36 and 531,307.68
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Solution
The fourth proportional to 1,668,943.92, 2,503,611.36 and 531,307.68 is: 797,023.75
Step by Step Solution
- Step 1: Write the proportion equation
1,668,943.92 : 2,503,611.36 = 531,307.68 : x - Step 2: Convert to fraction form
1,668,943.92/2,503,611.36 = 531,307.68/x - Step 3: Cross multiply
1,668,943.92x = 2,503,611.36 × 531,307.68 - Step 4: Simplify right side
1,668,943.92x = 1,330,187,943,303.24 - Step 5: Solve for x
x = 1,330,187,943,303.24/1,668,943.92 - Step 6: Final answer
x = 797,023.75
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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.