Finding the Fourth Proportional to 6,833,810.76, 9,430,855.68 and 3,778,221.84
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Solution
The fourth proportional to 6,833,810.76, 9,430,855.68 and 3,778,221.84 is: 5,214,054.96
Step by Step Solution
- Step 1: Write the proportion equation
6,833,810.76 : 9,430,855.68 = 3,778,221.84 : x - Step 2: Convert to fraction form
6,833,810.76/9,430,855.68 = 3,778,221.84/x - Step 3: Cross multiply
6,833,810.76x = 9,430,855.68 × 3,778,221.84 - Step 4: Simplify right side
6,833,810.76x = 35,631,864,900,064.05 - Step 5: Solve for x
x = 35,631,864,900,064.05/6,833,810.76 - Step 6: Final answer
x = 5,214,054.96
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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.