Finding the Fourth Proportional to 4,622,803.57, 6,379,656.95 and 2,557,785.55
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Solution
The fourth proportional to 4,622,803.57, 6,379,656.95 and 2,557,785.55 is: 3,529,848.09
Step by Step Solution
- Step 1: Write the proportion equation
4,622,803.57 : 6,379,656.95 = 2,557,785.55 : x - Step 2: Convert to fraction form
4,622,803.57/6,379,656.95 = 2,557,785.55/x - Step 3: Cross multiply
4,622,803.57x = 6,379,656.95 × 2,557,785.55 - Step 4: Simplify right side
4,622,803.57x = 16,317,794,360,667.07 - Step 5: Solve for x
x = 16,317,794,360,667.07/4,622,803.57 - Step 6: Final answer
x = 3,529,848.09
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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.