Finding the Fourth Proportional to 4,447,814.08, 6,671,721.12 and 1,081,991.92
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Solution
The fourth proportional to 4,447,814.08, 6,671,721.12 and 1,081,991.92 is: 1,622,987.88
Step by Step Solution
- Step 1: Write the proportion equation
4,447,814.08 : 6,671,721.12 = 1,081,991.92 : x - Step 2: Convert to fraction form
4,447,814.08/6,671,721.12 = 1,081,991.92/x - Step 3: Cross multiply
4,447,814.08x = 6,671,721.12 × 1,081,991.92 - Step 4: Simplify right side
4,447,814.08x = 7,218,748,344,333.35 - Step 5: Solve for x
x = 7,218,748,344,333.35/4,447,814.08 - Step 6: Final answer
x = 1,622,987.88
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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.