Finding the Fourth Proportional to 5,338,750.98, 7,367,439.87 and 2,891,305.74
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Solution
The fourth proportional to 5,338,750.98, 7,367,439.87 and 2,891,305.74 is: 3,989,982.16
Step by Step Solution
- Step 1: Write the proportion equation
5,338,750.98 : 7,367,439.87 = 2,891,305.74 : x - Step 2: Convert to fraction form
5,338,750.98/7,367,439.87 = 2,891,305.74/x - Step 3: Cross multiply
5,338,750.98x = 7,367,439.87 × 2,891,305.74 - Step 4: Simplify right side
5,338,750.98x = 21,301,521,185,235.86 - Step 5: Solve for x
x = 21,301,521,185,235.86/5,338,750.98 - Step 6: Final answer
x = 3,989,982.16
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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.