Finding the Fourth Proportional to 2,657,875.80, 3,668,219.10 and 1,511,734.80
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Solution
The fourth proportional to 2,657,875.80, 3,668,219.10 and 1,511,734.80 is: 2,086,393.38
Step by Step Solution
- Step 1: Write the proportion equation
2,657,875.80 : 3,668,219.10 = 1,511,734.80 : x - Step 2: Convert to fraction form
2,657,875.80/3,668,219.10 = 1,511,734.80/x - Step 3: Cross multiply
2,657,875.80x = 3,668,219.10 × 1,511,734.80 - Step 4: Simplify right side
2,657,875.80x = 5,545,374,467,494.68 - Step 5: Solve for x
x = 5,545,374,467,494.68/2,657,875.80 - Step 6: Final answer
x = 2,086,393.38
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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.