Finding the Fourth Proportional to 4,098,780.24, 5,657,911.84 and 3,668,312.76
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Solution
The fourth proportional to 4,098,780.24, 5,657,911.84 and 3,668,312.76 is: 5,063,699.19
Step by Step Solution
- Step 1: Write the proportion equation
4,098,780.24 : 5,657,911.84 = 3,668,312.76 : x - Step 2: Convert to fraction form
4,098,780.24/5,657,911.84 = 3,668,312.76/x - Step 3: Cross multiply
4,098,780.24x = 5,657,911.84 × 3,668,312.76 - Step 4: Simplify right side
4,098,780.24x = 20,754,990,197,627.08 - Step 5: Solve for x
x = 20,754,990,197,627.08/4,098,780.24 - Step 6: Final answer
x = 5,063,699.19
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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.