Finding the Fourth Proportional to 6,115,471.93, 8,439,356.66 and 3,362,206.20
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Solution
The fourth proportional to 6,115,471.93, 8,439,356.66 and 3,362,206.20 is: 4,639,847.52
Step by Step Solution
- Step 1: Write the proportion equation
6,115,471.93 : 8,439,356.66 = 3,362,206.20 : x - Step 2: Convert to fraction form
6,115,471.93/8,439,356.66 = 3,362,206.20/x - Step 3: Cross multiply
6,115,471.93x = 8,439,356.66 × 3,362,206.20 - Step 4: Simplify right side
6,115,471.93x = 28,374,857,286,263.29 - Step 5: Solve for x
x = 28,374,857,286,263.29/6,115,471.93 - Step 6: Final answer
x = 4,639,847.52
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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.