Finding the Fourth Proportional to 4,550,876.52, 6,280,231.01 and 2,485,920.74
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Solution
The fourth proportional to 4,550,876.52, 6,280,231.01 and 2,485,920.74 is: 3,430,582.32
Step by Step Solution
- Step 1: Write the proportion equation
4,550,876.52 : 6,280,231.01 = 2,485,920.74 : x - Step 2: Convert to fraction form
4,550,876.52/6,280,231.01 = 2,485,920.74/x - Step 3: Cross multiply
4,550,876.52x = 6,280,231.01 × 2,485,920.74 - Step 4: Simplify right side
4,550,876.52x = 15,612,156,519,750.15 - Step 5: Solve for x
x = 15,612,156,519,750.15/4,550,876.52 - Step 6: Final answer
x = 3,430,582.32
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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.