Finding the Fourth Proportional to 6,139,923.24, 8,470,480.16 and 4,505,490.66
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Solution
The fourth proportional to 6,139,923.24, 8,470,480.16 and 4,505,490.66 is: 6,215,659.02
Step by Step Solution
- Step 1: Write the proportion equation
6,139,923.24 : 8,470,480.16 = 4,505,490.66 : x - Step 2: Convert to fraction form
6,139,923.24/8,470,480.16 = 4,505,490.66/x - Step 3: Cross multiply
6,139,923.24x = 8,470,480.16 × 4,505,490.66 - Step 4: Simplify right side
6,139,923.24x = 38,163,669,246,595.30 - Step 5: Solve for x
x = 38,163,669,246,595.30/6,139,923.24 - Step 6: Final answer
x = 6,215,659.02
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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.