Finding the Fourth Proportional to 4,782,750.54, 6,600,152.43 and 2,636,574.54
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Solution
The fourth proportional to 4,782,750.54, 6,600,152.43 and 2,636,574.54 is: 3,638,448.99
Step by Step Solution
- Step 1: Write the proportion equation
4,782,750.54 : 6,600,152.43 = 2,636,574.54 : x - Step 2: Convert to fraction form
4,782,750.54/6,600,152.43 = 2,636,574.54/x - Step 3: Cross multiply
4,782,750.54x = 6,600,152.43 × 2,636,574.54 - Step 4: Simplify right side
4,782,750.54x = 17,401,793,857,057.13 - Step 5: Solve for x
x = 17,401,793,857,057.13/4,782,750.54 - Step 6: Final answer
x = 3,638,448.99
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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.