Finding the Fourth Proportional to 7,680,805.94, 10,599,834.21 and 4,417,621.58
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Solution
The fourth proportional to 7,680,805.94, 10,599,834.21 and 4,417,621.58 is: 6,096,502.99
Step by Step Solution
- Step 1: Write the proportion equation
7,680,805.94 : 10,599,834.21 = 4,417,621.58 : x - Step 2: Convert to fraction form
7,680,805.94/10,599,834.21 = 4,417,621.58/x - Step 3: Cross multiply
7,680,805.94x = 10,599,834.21 × 4,417,621.58 - Step 4: Simplify right side
7,680,805.94x = 46,826,056,350,518.26 - Step 5: Solve for x
x = 46,826,056,350,518.26/7,680,805.94 - Step 6: Final answer
x = 6,096,502.99
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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.