Finding the Fourth Proportional to 2,862,945.81, 3,950,892.99 and 1,556,203.59
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Solution
The fourth proportional to 2,862,945.81, 3,950,892.99 and 1,556,203.59 is: 2,147,576.05
Step by Step Solution
- Step 1: Write the proportion equation
2,862,945.81 : 3,950,892.99 = 1,556,203.59 : x - Step 2: Convert to fraction form
2,862,945.81/3,950,892.99 = 1,556,203.59/x - Step 3: Cross multiply
2,862,945.81x = 3,950,892.99 × 1,556,203.59 - Step 4: Simplify right side
2,862,945.81x = 6,148,393,854,743.84 - Step 5: Solve for x
x = 6,148,393,854,743.84/2,862,945.81 - Step 6: Final answer
x = 2,147,576.05
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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.