Finding the Fourth Proportional to 4,670,742.06, 6,446,067.71 and 2,928,687.21
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Solution
The fourth proportional to 4,670,742.06, 6,446,067.71 and 2,928,687.21 is: 4,041,866.54
Step by Step Solution
- Step 1: Write the proportion equation
4,670,742.06 : 6,446,067.71 = 2,928,687.21 : x - Step 2: Convert to fraction form
4,670,742.06/6,446,067.71 = 2,928,687.21/x - Step 3: Cross multiply
4,670,742.06x = 6,446,067.71 × 2,928,687.21 - Step 4: Simplify right side
4,670,742.06x = 18,878,516,057,070.99 - Step 5: Solve for x
x = 18,878,516,057,070.99/4,670,742.06 - Step 6: Final answer
x = 4,041,866.54
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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.