Finding the Fourth Proportional to 5,498,987.01, 8,248,885.11 and 1,455,447.57
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Solution
The fourth proportional to 5,498,987.01, 8,248,885.11 and 1,455,447.57 is: 2,183,278.44
Step by Step Solution
- Step 1: Write the proportion equation
5,498,987.01 : 8,248,885.11 = 1,455,447.57 : x - Step 2: Convert to fraction form
5,498,987.01/8,248,885.11 = 1,455,447.57/x - Step 3: Cross multiply
5,498,987.01x = 8,248,885.11 × 1,455,447.57 - Step 4: Simplify right side
5,498,987.01x = 12,005,819,788,558.68 - Step 5: Solve for x
x = 12,005,819,788,558.68/5,498,987.01 - Step 6: Final answer
x = 2,183,278.44
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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.