Finding the Fourth Proportional to 5,178,377.66, 7,149,223.08 and 4,603,828.14
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Solution
The fourth proportional to 5,178,377.66, 7,149,223.08 and 4,603,828.14 is: 6,356,005.02
Step by Step Solution
- Step 1: Write the proportion equation
5,178,377.66 : 7,149,223.08 = 4,603,828.14 : x - Step 2: Convert to fraction form
5,178,377.66/7,149,223.08 = 4,603,828.14/x - Step 3: Cross multiply
5,178,377.66x = 7,149,223.08 × 4,603,828.14 - Step 4: Simplify right side
5,178,377.66x = 32,913,794,394,841.47 - Step 5: Solve for x
x = 32,913,794,394,841.47/5,178,377.66 - Step 6: Final answer
x = 6,356,005.02
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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.