Finding the Fourth Proportional to 3,748,859.84, 5,173,451.42 and 2,029,980.35
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Solution
The fourth proportional to 3,748,859.84, 5,173,451.42 and 2,029,980.35 is: 2,801,386.33
Step by Step Solution
- Step 1: Write the proportion equation
3,748,859.84 : 5,173,451.42 = 2,029,980.35 : x - Step 2: Convert to fraction form
3,748,859.84/5,173,451.42 = 2,029,980.35/x - Step 3: Cross multiply
3,748,859.84x = 5,173,451.42 × 2,029,980.35 - Step 4: Simplify right side
3,748,859.84x = 10,502,004,688,262.44 - Step 5: Solve for x
x = 10,502,004,688,262.44/3,748,859.84 - Step 6: Final answer
x = 2,801,386.33
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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.