Finding the Fourth Proportional to 1,778,644.24, 2,667,159.06 and 767,287.96
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Solution
The fourth proportional to 1,778,644.24, 2,667,159.06 and 767,287.96 is: 1,150,583.68
Step by Step Solution
- Step 1: Write the proportion equation
1,778,644.24 : 2,667,159.06 = 767,287.96 : x - Step 2: Convert to fraction form
1,778,644.24/2,667,159.06 = 767,287.96/x - Step 3: Cross multiply
1,778,644.24x = 2,667,159.06 × 767,287.96 - Step 4: Simplify right side
1,778,644.24x = 2,046,479,034,142.92 - Step 5: Solve for x
x = 2,046,479,034,142.92/1,778,644.24 - Step 6: Final answer
x = 1,150,583.68
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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.