Finding the Fourth Proportional to 2,779,911.54, 3,836,248.61 and 1,556,227.13
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Solution
The fourth proportional to 2,779,911.54, 3,836,248.61 and 1,556,227.13 is: 2,147,577.02
Step by Step Solution
- Step 1: Write the proportion equation
2,779,911.54 : 3,836,248.61 = 1,556,227.13 : x - Step 2: Convert to fraction form
2,779,911.54/3,836,248.61 = 1,556,227.13/x - Step 3: Cross multiply
2,779,911.54x = 3,836,248.61 × 1,556,227.13 - Step 4: Simplify right side
2,779,911.54x = 5,970,074,149,016.11 - Step 5: Solve for x
x = 5,970,074,149,016.11/2,779,911.54 - Step 6: Final answer
x = 2,147,577.02
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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.