Finding the Fourth Proportional to 6,268,603.80, 9,402,905.70 and 4,029,115.80
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Solution
The fourth proportional to 6,268,603.80, 9,402,905.70 and 4,029,115.80 is: 6,043,673.70
Step by Step Solution
- Step 1: Write the proportion equation
6,268,603.80 : 9,402,905.70 = 4,029,115.80 : x - Step 2: Convert to fraction form
6,268,603.80/9,402,905.70 = 4,029,115.80/x - Step 3: Cross multiply
6,268,603.80x = 9,402,905.70 × 4,029,115.80 - Step 4: Simplify right side
6,268,603.80x = 37,885,395,921,780.05 - Step 5: Solve for x
x = 37,885,395,921,780.05/6,268,603.80 - Step 6: Final answer
x = 6,043,673.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.