Finding the Fourth Proportional to 7,722,045.60, 10,657,702.08 and 4,285,390.56
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Solution
The fourth proportional to 7,722,045.60, 10,657,702.08 and 4,285,390.56 is: 5,914,548.85
Step by Step Solution
- Step 1: Write the proportion equation
7,722,045.60 : 10,657,702.08 = 4,285,390.56 : x - Step 2: Convert to fraction form
7,722,045.60/10,657,702.08 = 4,285,390.56/x - Step 3: Cross multiply
7,722,045.60x = 10,657,702.08 × 4,285,390.56 - Step 4: Simplify right side
7,722,045.60x = 45,672,415,884,924.36 - Step 5: Solve for x
x = 45,672,415,884,924.36/7,722,045.60 - Step 6: Final answer
x = 5,914,548.85
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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.