Finding the Fourth Proportional to 4,584,480.24, 6,876,712.80 and 1,218,687.60
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Solution
The fourth proportional to 4,584,480.24, 6,876,712.80 and 1,218,687.60 is: 1,828,029.39
Step by Step Solution
- Step 1: Write the proportion equation
4,584,480.24 : 6,876,712.80 = 1,218,687.60 : x - Step 2: Convert to fraction form
4,584,480.24/6,876,712.80 = 1,218,687.60/x - Step 3: Cross multiply
4,584,480.24x = 6,876,712.80 × 1,218,687.60 - Step 4: Simplify right side
4,584,480.24x = 8,380,564,618,121.28 - Step 5: Solve for x
x = 8,380,564,618,121.28/4,584,480.24 - Step 6: Final answer
x = 1,828,029.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.