Finding the Fourth Proportional to 6,779,630.81, 9,355,957.99 and 3,682,214.75
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Solution
The fourth proportional to 6,779,630.81, 9,355,957.99 and 3,682,214.75 is: 5,081,493.00
Step by Step Solution
- Step 1: Write the proportion equation
6,779,630.81 : 9,355,957.99 = 3,682,214.75 : x - Step 2: Convert to fraction form
6,779,630.81/9,355,957.99 = 3,682,214.75/x - Step 3: Cross multiply
6,779,630.81x = 9,355,957.99 × 3,682,214.75 - Step 4: Simplify right side
6,779,630.81x = 34,450,646,525,342.71 - Step 5: Solve for x
x = 34,450,646,525,342.71/6,779,630.81 - Step 6: Final answer
x = 5,081,493.00
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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.