Finding the Fourth Proportional to 2,636,753.76, 3,955,509.65 and 815,260.75
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Solution
The fourth proportional to 2,636,753.76, 3,955,509.65 and 815,260.75 is: 1,223,008.31
Step by Step Solution
- Step 1: Write the proportion equation
2,636,753.76 : 3,955,509.65 = 815,260.75 : x - Step 2: Convert to fraction form
2,636,753.76/3,955,509.65 = 815,260.75/x - Step 3: Cross multiply
2,636,753.76x = 3,955,509.65 × 815,260.75 - Step 4: Simplify right side
2,636,753.76x = 3,224,771,763,891.24 - Step 5: Solve for x
x = 3,224,771,763,891.24/2,636,753.76 - Step 6: Final answer
x = 1,223,008.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.