Finding the Fourth Proportional to 4,997,159.70, 6,896,071.80 and 2,705,319.78
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Solution
The fourth proportional to 4,997,159.70, 6,896,071.80 and 2,705,319.78 is: 3,733,336.65
Step by Step Solution
- Step 1: Write the proportion equation
4,997,159.70 : 6,896,071.80 = 2,705,319.78 : x - Step 2: Convert to fraction form
4,997,159.70/6,896,071.80 = 2,705,319.78/x - Step 3: Cross multiply
4,997,159.70x = 6,896,071.80 × 2,705,319.78 - Step 4: Simplify right side
4,997,159.70x = 18,656,079,444,840.20 - Step 5: Solve for x
x = 18,656,079,444,840.20/4,997,159.70 - Step 6: Final answer
x = 3,733,336.65
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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.