Finding the Fourth Proportional to 1,883,886.76, 2,599,831.98 and 1,079,226.28
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Solution
The fourth proportional to 1,883,886.76, 2,599,831.98 and 1,079,226.28 is: 1,489,371.37
Step by Step Solution
- Step 1: Write the proportion equation
1,883,886.76 : 2,599,831.98 = 1,079,226.28 : x - Step 2: Convert to fraction form
1,883,886.76/2,599,831.98 = 1,079,226.28/x - Step 3: Cross multiply
1,883,886.76x = 2,599,831.98 × 1,079,226.28 - Step 4: Simplify right side
1,883,886.76x = 2,805,806,996,400.43 - Step 5: Solve for x
x = 2,805,806,996,400.43/1,883,886.76 - Step 6: Final answer
x = 1,489,371.37
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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.