Finding the Fourth Proportional to 3,721,168.10, 5,578,209.18 and 1,195,051.88
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Solution
The fourth proportional to 3,721,168.10, 5,578,209.18 and 1,195,051.88 is: 1,791,439.99
Step by Step Solution
- Step 1: Write the proportion equation
3,721,168.10 : 5,578,209.18 = 1,195,051.88 : x - Step 2: Convert to fraction form
3,721,168.10/5,578,209.18 = 1,195,051.88/x - Step 3: Cross multiply
3,721,168.10x = 5,578,209.18 × 1,195,051.88 - Step 4: Simplify right side
3,721,168.10x = 6,666,249,339,701.21 - Step 5: Solve for x
x = 6,666,249,339,701.21/3,721,168.10 - Step 6: Final answer
x = 1,791,439.99
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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.