Finding the Fourth Proportional to 4,412,020.08, 6,616,541.75 and 1,678,918.59
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Solution
The fourth proportional to 4,412,020.08, 6,616,541.75 and 1,678,918.59 is: 2,517,811.51
Step by Step Solution
- Step 1: Write the proportion equation
4,412,020.08 : 6,616,541.75 = 1,678,918.59 : x - Step 2: Convert to fraction form
4,412,020.08/6,616,541.75 = 1,678,918.59/x - Step 3: Cross multiply
4,412,020.08x = 6,616,541.75 × 1,678,918.59 - Step 4: Simplify right side
4,412,020.08x = 11,108,634,946,635.46 - Step 5: Solve for x
x = 11,108,634,946,635.46/4,412,020.08 - Step 6: Final answer
x = 2,517,811.51
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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.