Finding the Fourth Proportional to 1,638,201.08, 2,260,831.02 and 993,648.44
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Solution
The fourth proportional to 1,638,201.08, 2,260,831.02 and 993,648.44 is: 1,371,303.71
Step by Step Solution
- Step 1: Write the proportion equation
1,638,201.08 : 2,260,831.02 = 993,648.44 : x - Step 2: Convert to fraction form
1,638,201.08/2,260,831.02 = 993,648.44/x - Step 3: Cross multiply
1,638,201.08x = 2,260,831.02 × 993,648.44 - Step 4: Simplify right side
1,638,201.08x = 2,246,471,216,126.61 - Step 5: Solve for x
x = 2,246,471,216,126.61/1,638,201.08 - Step 6: Final answer
x = 1,371,303.71
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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.