Finding the Fourth Proportional to 2,862,915.17, 3,950,831.09 and 1,639,240.07
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Solution
The fourth proportional to 2,862,915.17, 3,950,831.09 and 1,639,240.07 is: 2,262,155.96
Step by Step Solution
- Step 1: Write the proportion equation
2,862,915.17 : 3,950,831.09 = 1,639,240.07 : x - Step 2: Convert to fraction form
2,862,915.17/3,950,831.09 = 1,639,240.07/x - Step 3: Cross multiply
2,862,915.17x = 3,950,831.09 × 1,639,240.07 - Step 4: Simplify right side
2,862,915.17x = 6,476,360,616,873.72 - Step 5: Solve for x
x = 6,476,360,616,873.72/2,862,915.17 - Step 6: Final answer
x = 2,262,155.96
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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.