Finding the Fourth Proportional to 6,205,405.87, 8,559,961.09 and 3,723,991.93
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Solution
The fourth proportional to 6,205,405.87, 8,559,961.09 and 3,723,991.93 is: 5,137,009.04
Step by Step Solution
- Step 1: Write the proportion equation
6,205,405.87 : 8,559,961.09 = 3,723,991.93 : x - Step 2: Convert to fraction form
6,205,405.87/8,559,961.09 = 3,723,991.93/x - Step 3: Cross multiply
6,205,405.87x = 8,559,961.09 × 3,723,991.93 - Step 4: Simplify right side
6,205,405.87x = 31,877,226,020,274.00 - Step 5: Solve for x
x = 31,877,226,020,274.00/6,205,405.87 - Step 6: Final answer
x = 5,137,009.04
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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.