Finding the Fourth Proportional to 6,430,677.98, 9,643,984.62 and 2,112,016.68
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Solution
The fourth proportional to 6,430,677.98, 9,643,984.62 and 2,112,016.68 is: 3,167,357.54
Step by Step Solution
- Step 1: Write the proportion equation
6,430,677.98 : 9,643,984.62 = 2,112,016.68 : x - Step 2: Convert to fraction form
6,430,677.98/9,643,984.62 = 2,112,016.68/x - Step 3: Cross multiply
6,430,677.98x = 9,643,984.62 × 2,112,016.68 - Step 4: Simplify right side
6,430,677.98x = 20,368,256,379,103.46 - Step 5: Solve for x
x = 20,368,256,379,103.46/6,430,677.98 - Step 6: Final answer
x = 3,167,357.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.