Finding the Fourth Proportional to 5,023,235.40, 7,536,602.70 and 2,185,384.20
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Solution
The fourth proportional to 5,023,235.40, 7,536,602.70 and 2,185,384.20 is: 3,278,837.47
Step by Step Solution
- Step 1: Write the proportion equation
5,023,235.40 : 7,536,602.70 = 2,185,384.20 : x - Step 2: Convert to fraction form
5,023,235.40/7,536,602.70 = 2,185,384.20/x - Step 3: Cross multiply
5,023,235.40x = 7,536,602.70 × 2,185,384.20 - Step 4: Simplify right side
5,023,235.40x = 16,470,372,462,257.34 - Step 5: Solve for x
x = 16,470,372,462,257.34/5,023,235.40 - Step 6: Final answer
x = 3,278,837.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.