Finding the Fourth Proportional to 6,776,115.23, 10,164,303.86 and 1,658,589.90
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Solution
The fourth proportional to 6,776,115.23, 10,164,303.86 and 1,658,589.90 is: 2,487,916.92
Step by Step Solution
- Step 1: Write the proportion equation
6,776,115.23 : 10,164,303.86 = 1,658,589.90 : x - Step 2: Convert to fraction form
6,776,115.23/10,164,303.86 = 1,658,589.90/x - Step 3: Cross multiply
6,776,115.23x = 10,164,303.86 × 1,658,589.90 - Step 4: Simplify right side
6,776,115.23x = 16,858,411,722,727.01 - Step 5: Solve for x
x = 16,858,411,722,727.01/6,776,115.23 - Step 6: Final answer
x = 2,487,916.92
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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.