Finding the Fourth Proportional to 3,630,600.70, 5,010,228.75 and 2,020,968.70
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Solution
The fourth proportional to 3,630,600.70, 5,010,228.75 and 2,020,968.70 is: 2,788,936.69
Step by Step Solution
- Step 1: Write the proportion equation
3,630,600.70 : 5,010,228.75 = 2,020,968.70 : x - Step 2: Convert to fraction form
3,630,600.70/5,010,228.75 = 2,020,968.70/x - Step 3: Cross multiply
3,630,600.70x = 5,010,228.75 × 2,020,968.70 - Step 4: Simplify right side
3,630,600.70x = 10,125,515,483,590.12 - Step 5: Solve for x
x = 10,125,515,483,590.12/3,630,600.70 - Step 6: Final answer
x = 2,788,936.69
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1.5x scale
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.