Finding the Fourth Proportional to 6,115,641.68, 9,173,518.14 and 1,855,810.10
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Solution
The fourth proportional to 6,115,641.68, 9,173,518.14 and 1,855,810.10 is: 2,783,732.03
Step by Step Solution
- Step 1: Write the proportion equation
6,115,641.68 : 9,173,518.14 = 1,855,810.10 : x - Step 2: Convert to fraction form
6,115,641.68/9,173,518.14 = 1,855,810.10/x - Step 3: Cross multiply
6,115,641.68x = 9,173,518.14 × 1,855,810.10 - Step 4: Simplify right side
6,115,641.68x = 17,024,307,616,745.22 - Step 5: Solve for x
x = 17,024,307,616,745.22/6,115,641.68 - Step 6: Final answer
x = 2,783,732.03
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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.