Finding the Fourth Proportional to 2,146,633.08, 2,962,291.02 and 1,228,831.80
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Solution
The fourth proportional to 2,146,633.08, 2,962,291.02 and 1,228,831.80 is: 1,695,752.03
Step by Step Solution
- Step 1: Write the proportion equation
2,146,633.08 : 2,962,291.02 = 1,228,831.80 : x - Step 2: Convert to fraction form
2,146,633.08/2,962,291.02 = 1,228,831.80/x - Step 3: Cross multiply
2,146,633.08x = 2,962,291.02 × 1,228,831.80 - Step 4: Simplify right side
2,146,633.08x = 3,640,157,406,230.44 - Step 5: Solve for x
x = 3,640,157,406,230.44/2,146,633.08 - Step 6: Final answer
x = 1,695,752.03
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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.