Finding the Fourth Proportional to 4,021,068.80, 6,031,603.20 and 2,422,809.20
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Solution
The fourth proportional to 4,021,068.80, 6,031,603.20 and 2,422,809.20 is: 3,634,213.80
Step by Step Solution
- Step 1: Write the proportion equation
4,021,068.80 : 6,031,603.20 = 2,422,809.20 : x - Step 2: Convert to fraction form
4,021,068.80/6,031,603.20 = 2,422,809.20/x - Step 3: Cross multiply
4,021,068.80x = 6,031,603.20 × 2,422,809.20 - Step 4: Simplify right side
4,021,068.80x = 14,613,423,723,709.44 - Step 5: Solve for x
x = 14,613,423,723,709.44/4,021,068.80 - Step 6: Final answer
x = 3,634,213.80
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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.