Finding the Fourth Proportional to 2,678,741.58, 3,696,696.99 and 1,455,067.53
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Solution
The fourth proportional to 2,678,741.58, 3,696,696.99 and 1,455,067.53 is: 2,008,011.45
Step by Step Solution
- Step 1: Write the proportion equation
2,678,741.58 : 3,696,696.99 = 1,455,067.53 : x - Step 2: Convert to fraction form
2,678,741.58/3,696,696.99 = 1,455,067.53/x - Step 3: Cross multiply
2,678,741.58x = 3,696,696.99 × 1,455,067.53 - Step 4: Simplify right side
2,678,741.58x = 5,378,943,758,397.74 - Step 5: Solve for x
x = 5,378,943,758,397.74/2,678,741.58 - Step 6: Final answer
x = 2,008,011.45
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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.