Finding the Fourth Proportional to 4,256,830.70, 6,385,246.05 and 4,046,878.70
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Solution
The fourth proportional to 4,256,830.70, 6,385,246.05 and 4,046,878.70 is: 6,070,318.05
Step by Step Solution
- Step 1: Write the proportion equation
4,256,830.70 : 6,385,246.05 = 4,046,878.70 : x - Step 2: Convert to fraction form
4,256,830.70/6,385,246.05 = 4,046,878.70/x - Step 3: Cross multiply
4,256,830.70x = 6,385,246.05 × 4,046,878.70 - Step 4: Simplify right side
4,256,830.70x = 25,840,316,234,004.14 - Step 5: Solve for x
x = 25,840,316,234,004.14/4,256,830.70 - Step 6: Final answer
x = 6,070,318.05
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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.