Finding the Fourth Proportional to 4,014,220.57, 5,539,629.86 and 2,178,678.88
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Solution
The fourth proportional to 4,014,220.57, 5,539,629.86 and 2,178,678.88 is: 3,006,579.83
Step by Step Solution
- Step 1: Write the proportion equation
4,014,220.57 : 5,539,629.86 = 2,178,678.88 : x - Step 2: Convert to fraction form
4,014,220.57/5,539,629.86 = 2,178,678.88/x - Step 3: Cross multiply
4,014,220.57x = 5,539,629.86 × 2,178,678.88 - Step 4: Simplify right side
4,014,220.57x = 12,069,074,600,181.90 - Step 5: Solve for x
x = 12,069,074,600,181.90/4,014,220.57 - Step 6: Final answer
x = 3,006,579.83
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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.