Finding the Fourth Proportional to 2,635,387.36, 3,636,809.11 and 1,473,820.74
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Solution
The fourth proportional to 2,635,387.36, 3,636,809.11 and 1,473,820.74 is: 2,033,858.39
Step by Step Solution
- Step 1: Write the proportion equation
2,635,387.36 : 3,636,809.11 = 1,473,820.74 : x - Step 2: Convert to fraction form
2,635,387.36/3,636,809.11 = 1,473,820.74/x - Step 3: Cross multiply
2,635,387.36x = 3,636,809.11 × 1,473,820.74 - Step 4: Simplify right side
2,635,387.36x = 5,360,004,693,738.94 - Step 5: Solve for x
x = 5,360,004,693,738.94/2,635,387.36 - Step 6: Final answer
x = 2,033,858.39
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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.