Finding the Fourth Proportional to 6,604,603.35, 9,115,348.87 and 4,027,778.81
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Solution
The fourth proportional to 6,604,603.35, 9,115,348.87 and 4,027,778.81 is: 5,558,942.31
Step by Step Solution
- Step 1: Write the proportion equation
6,604,603.35 : 9,115,348.87 = 4,027,778.81 : x - Step 2: Convert to fraction form
6,604,603.35/9,115,348.87 = 4,027,778.81/x - Step 3: Cross multiply
6,604,603.35x = 9,115,348.87 × 4,027,778.81 - Step 4: Simplify right side
6,604,603.35x = 36,714,609,024,343.45 - Step 5: Solve for x
x = 36,714,609,024,343.45/6,604,603.35 - Step 6: Final answer
x = 5,558,942.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.