Finding the Fourth Proportional to 6,349,975.57, 8,763,206.69 and 3,559,149.98
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Solution
The fourth proportional to 6,349,975.57, 8,763,206.69 and 3,559,149.98 is: 4,911,761.72
Step by Step Solution
- Step 1: Write the proportion equation
6,349,975.57 : 8,763,206.69 = 3,559,149.98 : x - Step 2: Convert to fraction form
6,349,975.57/8,763,206.69 = 3,559,149.98/x - Step 3: Cross multiply
6,349,975.57x = 8,763,206.69 × 3,559,149.98 - Step 4: Simplify right side
6,349,975.57x = 31,189,566,915,449.36 - Step 5: Solve for x
x = 31,189,566,915,449.36/6,349,975.57 - Step 6: Final answer
x = 4,911,761.72
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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.