Finding the Fourth Proportional to 2,730,630.49, 3,769,686.68 and 1,994,758.47
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Solution
The fourth proportional to 2,730,630.49, 3,769,686.68 and 1,994,758.47 is: 2,753,801.53
Step by Step Solution
- Step 1: Write the proportion equation
2,730,630.49 : 3,769,686.68 = 1,994,758.47 : x - Step 2: Convert to fraction form
2,730,630.49/3,769,686.68 = 1,994,758.47/x - Step 3: Cross multiply
2,730,630.49x = 3,769,686.68 × 1,994,758.47 - Step 4: Simplify right side
2,730,630.49x = 7,519,614,415,327.75 - Step 5: Solve for x
x = 7,519,614,415,327.75/2,730,630.49 - Step 6: Final answer
x = 2,753,801.53
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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.