Finding the Fourth Proportional to 2,987,185.58, 4,479,303.80 and 1,303,560.62
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Solution
The fourth proportional to 2,987,185.58, 4,479,303.80 and 1,303,560.62 is: 1,954,697.45
Step by Step Solution
- Step 1: Write the proportion equation
2,987,185.58 : 4,479,303.80 = 1,303,560.62 : x - Step 2: Convert to fraction form
2,987,185.58/4,479,303.80 = 1,303,560.62/x - Step 3: Cross multiply
2,987,185.58x = 4,479,303.80 × 1,303,560.62 - Step 4: Simplify right side
2,987,185.58x = 5,839,044,038,696.36 - Step 5: Solve for x
x = 5,839,044,038,696.36/2,987,185.58 - Step 6: Final answer
x = 1,954,697.45
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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.