Finding the Fourth Proportional to 3,378,918.68, 5,067,695.19 and 1,219,878.26
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Solution
The fourth proportional to 3,378,918.68, 5,067,695.19 and 1,219,878.26 is: 1,829,570.87
Step by Step Solution
- Step 1: Write the proportion equation
3,378,918.68 : 5,067,695.19 = 1,219,878.26 : x - Step 2: Convert to fraction form
3,378,918.68/5,067,695.19 = 1,219,878.26/x - Step 3: Cross multiply
3,378,918.68x = 5,067,695.19 × 1,219,878.26 - Step 4: Simplify right side
3,378,918.68x = 6,181,971,190,587.57 - Step 5: Solve for x
x = 6,181,971,190,587.57/3,378,918.68 - Step 6: Final answer
x = 1,829,570.87
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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.