Finding the Fourth Proportional to 5,277,570.28, 7,282,903.14 and 2,922,686.44
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Solution
The fourth proportional to 5,277,570.28, 7,282,903.14 and 2,922,686.44 is: 4,033,227.63
Step by Step Solution
- Step 1: Write the proportion equation
5,277,570.28 : 7,282,903.14 = 2,922,686.44 : x - Step 2: Convert to fraction form
5,277,570.28/7,282,903.14 = 2,922,686.44/x - Step 3: Cross multiply
5,277,570.28x = 7,282,903.14 × 2,922,686.44 - Step 4: Simplify right side
5,277,570.28x = 21,285,642,251,111.42 - Step 5: Solve for x
x = 21,285,642,251,111.42/5,277,570.28 - Step 6: Final answer
x = 4,033,227.63
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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.