Finding the Fourth Proportional to 5,395,214.88, 7,445,307.84 and 2,947,773.12
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Solution
The fourth proportional to 5,395,214.88, 7,445,307.84 and 2,947,773.12 is: 4,067,878.45
Step by Step Solution
- Step 1: Write the proportion equation
5,395,214.88 : 7,445,307.84 = 2,947,773.12 : x - Step 2: Convert to fraction form
5,395,214.88/7,445,307.84 = 2,947,773.12/x - Step 3: Cross multiply
5,395,214.88x = 7,445,307.84 × 2,947,773.12 - Step 4: Simplify right side
5,395,214.88x = 21,947,078,320,877.26 - Step 5: Solve for x
x = 21,947,078,320,877.26/5,395,214.88 - Step 6: Final answer
x = 4,067,878.45
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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.