Finding the Fourth Proportional to 2,018,831.60, 2,785,889.26 and 1,203,017.12
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Solution
The fourth proportional to 2,018,831.60, 2,785,889.26 and 1,203,017.12 is: 1,660,105.02
Step by Step Solution
- Step 1: Write the proportion equation
2,018,831.60 : 2,785,889.26 = 1,203,017.12 : x - Step 2: Convert to fraction form
2,018,831.60/2,785,889.26 = 1,203,017.12/x - Step 3: Cross multiply
2,018,831.60x = 2,785,889.26 × 1,203,017.12 - Step 4: Simplify right side
2,018,831.60x = 3,351,472,472,225.54 - Step 5: Solve for x
x = 3,351,472,472,225.54/2,018,831.60 - Step 6: Final answer
x = 1,660,105.02
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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.