Finding the Fourth Proportional to 5,220,506.18, 7,204,347.66 and 2,928,716.06
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Solution
The fourth proportional to 5,220,506.18, 7,204,347.66 and 2,928,716.06 is: 4,041,655.73
Step by Step Solution
- Step 1: Write the proportion equation
5,220,506.18 : 7,204,347.66 = 2,928,716.06 : x - Step 2: Convert to fraction form
5,220,506.18/7,204,347.66 = 2,928,716.06/x - Step 3: Cross multiply
5,220,506.18x = 7,204,347.66 × 2,928,716.06 - Step 4: Simplify right side
5,220,506.18x = 21,099,488,693,665.42 - Step 5: Solve for x
x = 21,099,488,693,665.42/5,220,506.18 - Step 6: Final answer
x = 4,041,655.73
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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.