Finding the Fourth Proportional to 1,574,611.53, 2,172,215.52 and 929,599.62
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Solution
The fourth proportional to 1,574,611.53, 2,172,215.52 and 929,599.62 is: 1,282,405.65
Step by Step Solution
- Step 1: Write the proportion equation
1,574,611.53 : 2,172,215.52 = 929,599.62 : x - Step 2: Convert to fraction form
1,574,611.53/2,172,215.52 = 929,599.62/x - Step 3: Cross multiply
1,574,611.53x = 2,172,215.52 × 929,599.62 - Step 4: Simplify right side
1,574,611.53x = 2,019,290,721,950.10 - Step 5: Solve for x
x = 2,019,290,721,950.10/1,574,611.53 - Step 6: Final answer
x = 1,282,405.65
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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.