Finding the Fourth Proportional to 6,178,586.42, 8,526,366.93 and 3,462,385.46
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Solution
The fourth proportional to 6,178,586.42, 8,526,366.93 and 3,462,385.46 is: 4,778,045.80
Step by Step Solution
- Step 1: Write the proportion equation
6,178,586.42 : 8,526,366.93 = 3,462,385.46 : x - Step 2: Convert to fraction form
6,178,586.42/8,526,366.93 = 3,462,385.46/x - Step 3: Cross multiply
6,178,586.42x = 8,526,366.93 × 3,462,385.46 - Step 4: Simplify right side
6,178,586.42x = 29,521,568,885,056.84 - Step 5: Solve for x
x = 29,521,568,885,056.84/6,178,586.42 - Step 6: Final answer
x = 4,778,045.80
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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.