Finding the Fourth Proportional to 4,431,530.44, 6,648,417.10 and 1,236,656.20
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Solution
The fourth proportional to 4,431,530.44, 6,648,417.10 and 1,236,656.20 is: 1,855,297.25
Step by Step Solution
- Step 1: Write the proportion equation
4,431,530.44 : 6,648,417.10 = 1,236,656.20 : x - Step 2: Convert to fraction form
4,431,530.44/6,648,417.10 = 1,236,656.20/x - Step 3: Cross multiply
4,431,530.44x = 6,648,417.10 × 1,236,656.20 - Step 4: Simplify right side
4,431,530.44x = 8,221,806,226,901.02 - Step 5: Solve for x
x = 8,221,806,226,901.02/4,431,530.44 - Step 6: Final answer
x = 1,855,297.25
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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.