Finding the Fourth Proportional to 6,390,371.52, 8,818,382.52 and 3,489,202.08
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Solution
The fourth proportional to 6,390,371.52, 8,818,382.52 and 3,489,202.08 is: 4,814,918.59
Step by Step Solution
- Step 1: Write the proportion equation
6,390,371.52 : 8,818,382.52 = 3,489,202.08 : x - Step 2: Convert to fraction form
6,390,371.52/8,818,382.52 = 3,489,202.08/x - Step 3: Cross multiply
6,390,371.52x = 8,818,382.52 × 3,489,202.08 - Step 4: Simplify right side
6,390,371.52x = 30,769,118,631,019.64 - Step 5: Solve for x
x = 30,769,118,631,019.64/6,390,371.52 - Step 6: Final answer
x = 4,814,918.59
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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.