Finding the Fourth Proportional to 3,115,386.09, 4,299,230.52 and 1,757,259.09
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Solution
The fourth proportional to 3,115,386.09, 4,299,230.52 and 1,757,259.09 is: 2,425,016.26
Step by Step Solution
- Step 1: Write the proportion equation
3,115,386.09 : 4,299,230.52 = 1,757,259.09 : x - Step 2: Convert to fraction form
3,115,386.09/4,299,230.52 = 1,757,259.09/x - Step 3: Cross multiply
3,115,386.09x = 4,299,230.52 × 1,757,259.09 - Step 4: Simplify right side
3,115,386.09x = 7,554,861,911,275.43 - Step 5: Solve for x
x = 7,554,861,911,275.43/3,115,386.09 - Step 6: Final answer
x = 2,425,016.26
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1.5x scale
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.