Finding the Fourth Proportional to 2,845,394.40, 3,926,594.56 and 1,556,206.48
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Solution
The fourth proportional to 2,845,394.40, 3,926,594.56 and 1,556,206.48 is: 2,147,537.75
Step by Step Solution
- Step 1: Write the proportion equation
2,845,394.40 : 3,926,594.56 = 1,556,206.48 : x - Step 2: Convert to fraction form
2,845,394.40/3,926,594.56 = 1,556,206.48/x - Step 3: Cross multiply
2,845,394.40x = 3,926,594.56 × 1,556,206.48 - Step 4: Simplify right side
2,845,394.40x = 6,110,591,898,604.75 - Step 5: Solve for x
x = 6,110,591,898,604.75/2,845,394.40 - Step 6: Final answer
x = 2,147,537.75
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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.