Finding the Fourth Proportional to 2,888,756.48, 3,986,435.11 and 1,599,569.19
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Solution
The fourth proportional to 2,888,756.48, 3,986,435.11 and 1,599,569.19 is: 2,207,378.44
Step by Step Solution
- Step 1: Write the proportion equation
2,888,756.48 : 3,986,435.11 = 1,599,569.19 : x - Step 2: Convert to fraction form
2,888,756.48/3,986,435.11 = 1,599,569.19/x - Step 3: Cross multiply
2,888,756.48x = 3,986,435.11 × 1,599,569.19 - Step 4: Simplify right side
2,888,756.48x = 6,376,578,779,890.26 - Step 5: Solve for x
x = 6,376,578,779,890.26/2,888,756.48 - Step 6: Final answer
x = 2,207,378.44
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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.