Finding the Fourth Proportional to 4,731,002.78, 6,528,786.44 and 2,555,545.95
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Solution
The fourth proportional to 4,731,002.78, 6,528,786.44 and 2,555,545.95 is: 3,526,654.82
Step by Step Solution
- Step 1: Write the proportion equation
4,731,002.78 : 6,528,786.44 = 2,555,545.95 : x - Step 2: Convert to fraction form
4,731,002.78/6,528,786.44 = 2,555,545.95/x - Step 3: Cross multiply
4,731,002.78x = 6,528,786.44 × 2,555,545.95 - Step 4: Simplify right side
4,731,002.78x = 16,684,613,732,379.19 - Step 5: Solve for x
x = 16,684,613,732,379.19/4,731,002.78 - Step 6: Final answer
x = 3,526,654.82
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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.