Finding the Fourth Proportional to 3,748,885.20, 5,173,486.20 and 2,030,005.84
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Solution
The fourth proportional to 3,748,885.20, 5,173,486.20 and 2,030,005.84 is: 2,801,421.39
Step by Step Solution
- Step 1: Write the proportion equation
3,748,885.20 : 5,173,486.20 = 2,030,005.84 : x - Step 2: Convert to fraction form
3,748,885.20/5,173,486.20 = 2,030,005.84/x - Step 3: Cross multiply
3,748,885.20x = 5,173,486.20 × 2,030,005.84 - Step 4: Simplify right side
3,748,885.20x = 10,502,207,199,159.41 - Step 5: Solve for x
x = 10,502,207,199,159.41/3,748,885.20 - Step 6: Final answer
x = 2,801,421.39
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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.