Finding the Fourth Proportional to 5,417,821.84, 7,476,508.88 and 2,970,454.02
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Solution
The fourth proportional to 5,417,821.84, 7,476,508.88 and 2,970,454.02 is: 4,099,179.80
Step by Step Solution
- Step 1: Write the proportion equation
5,417,821.84 : 7,476,508.88 = 2,970,454.02 : x - Step 2: Convert to fraction form
5,417,821.84/7,476,508.88 = 2,970,454.02/x - Step 3: Cross multiply
5,417,821.84x = 7,476,508.88 × 2,970,454.02 - Step 4: Simplify right side
5,417,821.84x = 22,208,625,868,467.09 - Step 5: Solve for x
x = 22,208,625,868,467.09/5,417,821.84 - Step 6: Final answer
x = 4,099,179.80
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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.