Finding the Fourth Proportional to 5,039,072.76, 7,558,636.81 and 1,252,555.63
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Solution
The fourth proportional to 5,039,072.76, 7,558,636.81 and 1,252,555.63 is: 1,878,840.32
Step by Step Solution
- Step 1: Write the proportion equation
5,039,072.76 : 7,558,636.81 = 1,252,555.63 : x - Step 2: Convert to fraction form
5,039,072.76/7,558,636.81 = 1,252,555.63/x - Step 3: Cross multiply
5,039,072.76x = 7,558,636.81 × 1,252,555.63 - Step 4: Simplify right side
5,039,072.76x = 9,467,613,091,490.74 - Step 5: Solve for x
x = 9,467,613,091,490.74/5,039,072.76 - Step 6: Final answer
x = 1,878,840.32
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1.5x scale
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.