Finding the Fourth Proportional to 6,929,177.91, 9,562,327.49 and 3,831,909.66
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Solution
The fourth proportional to 6,929,177.91, 9,562,327.49 and 3,831,909.66 is: 5,288,069.61
Step by Step Solution
- Step 1: Write the proportion equation
6,929,177.91 : 9,562,327.49 = 3,831,909.66 : x - Step 2: Convert to fraction form
6,929,177.91/9,562,327.49 = 3,831,909.66/x - Step 3: Cross multiply
6,929,177.91x = 9,562,327.49 × 3,831,909.66 - Step 4: Simplify right side
6,929,177.91x = 36,641,975,090,594.33 - Step 5: Solve for x
x = 36,641,975,090,594.33/6,929,177.91 - Step 6: Final answer
x = 5,288,069.61
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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.